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  • 1.
    Balke, Michael
    et al.
    Zoologische Staatssammlung München.
    Bergsten, Johannes
    Swedish Museum of Natural History, Department of Zoology.
    Hendrich, Lars
    Zoologische Staatssammlung München.
    A new genus and two new species of Southeast Asian Bidessini as well as new synonyms for Oceanian species (Coleoptera, Dytiscidae)2017In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, Vol. 647, p. 137-151Article in journal (Refereed)
    Abstract [en]

    Rompindessus jenisi Balke, Bergsten & Hendrich, gen. n. et sp. n. is described from near Rompin village in West Malaysia. The new genus is characterized by the presence of an occipital line and basal pronotal striae, the presence of a thick anterior bead on clypeus and two-segmented parameres as well as by the absence of basal elytral striae, the absence of sutural line on elytron, the absence of basal epipleural transverse carina, and the absence of longitudinal elytral carina. Moreover, male pro- and mesotarsus appear stout, and distinctly dilated laterally; the pronotum is comparably long and parallel-sided and the colour of beetle conspicuous dark orange. Leiodytes kualalipis Balke, Wang, Bergsten & Hendrich, sp. n. is described from West Malaysia (Pahang) and South Vietnam (Cat Tien). It is well characterized by its large size, elongate body and the form of the median lobe. Limbodessus fijiensis (J. Balfour-Browne, 1944), comb. n. described from Fiji is a new synonym of Limbodessus curviplicatus (Zimmermann, 1927) described from Samoa.

  • 2. Bannikova, Anna A.
    et al.
    Jenkins, Paulina D.
    Solovyeva, Evgeniya N.
    Pavlova, Svetlana, V
    Demidova, Tatiana B.
    Simanovsky, Sergey A.
    Sheftel, Boris, I
    Lebedev, Vladimir S.
    Fang, Yun
    Dalen, Love
    Swedish Museum of Natural History, Department of Bioinformatics and Genetics.
    Abramov, Alexei, V
    Who are you, Griselda? A replacement name for a new genus of the Asiatic short-tailed shrews (Mammalia, Eulipotyphla, Soricidae): molecular and morphological analyses with the discussion of tribal affinities2019In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, no 888, p. 133-158Article in journal (Refereed)
    Abstract [en]

    The first genetic study of the holotype of the Gansu short-tailed shrew, Blarinella griselda Thomas, 1912, is presented. The mitochondrial analysis demonstrated that the type specimen of B. griselda is close to several recently collected specimens from southern Gansu, northern Sichuan and Shaanxi, which are highly distinct from the two species of Asiatic short-tailed shrews of southern Sichuan, Yunnan, and Vietnam, B. quadraticauda and B. wardi. Our analysis of four nuclear genes supported the placement of B. griselda as sister to B. quadraticauda / B. wardi, with the level of divergence between these two clades corresponding to that among genera of Soricinae. A new generic name, Parablarinella, is proposed for the Gansu short-tailed shrew. Karyotypes of Parablarinella griselda (2n = 49, NFa = 50) and B. quadraticauda (2n = 49, NFa = 62) from southern Gansu are described. The tribal affinities of Blarinellini and Blarinini are discussed.

  • 3. Bergsten, Johannes
    et al.
    Weingartner, Elisabeth
    Stockholm University, Faculty of Science, Department of Ecology, Environment and Plant Sciences.
    Hajek, Jiri
    Species delimitation of the Hyphydrus ovatus complex in western Palaearctic with an update of species distributions (Coleoptera, Dytiscidae)2017In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, no 678, p. 73-96Article in journal (Refereed)
    Abstract [en]

    The species status of Hyphydrus anatolicus Guignot, 1957 and H. sanctus Sharp, 1882, previously often confused with the widespread H. ovatus (Linnaeus, 1760), are tested with molecular and morphological characters. Cytochrome c oxidase subunit 1 (CO1) was sequenced for 32 specimens of all three species. Gene-trees were inferred with parsimony, time-free bayesian and strict clock bayesian analyses. The GMYC model was used to estimate species limits. All three species were reciprocally monophyletic with CO1 and highly supported. The GMYC species delimitation analysis unequivocally delimited the three species with no other than the three species solution included in the confidence interval. A likelihood ratio test rejected the one-species null model. Important morphological characters distinguishing the species are provided and illustrated. New distributional data are given for the following species: Hyphydrus anatolicus from Slovakia and Ukraine, and H. aubei Ganglbauer, 1891, and H. sanctus from Turkey.

  • 4.
    Bergsten, Johannes
    et al.
    Swedish Museum of Natural History, Department of Zoology.
    Weingartner, Elisabeth
    Stockholm University.
    Hajek, Jiri
    Species delimitation of the Hyphydrus ovatus complex in western Palaearctic with an update of species distributions (Coleoptera, Dytiscidae)2017In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, Vol. 678, p. 73-96Article in journal (Refereed)
    Abstract [en]

    The species status of Hyphydrus anatolicus Guignot, 1957 and H. sanctus Sharp, 1882, previously often confused with the widespread H. ovatus (Linnaeus, 1760), are tested with molecular and morphological characters. Cytochrome c oxidase subunit 1 (CO1) was sequenced for 32 specimens of all three species. Gene-trees were inferred with parsimony, time-free bayesian and strict clock bayesian analyses. The GMYC model was used to estimate species limits. All three species were reciprocally monophyletic with CO1 and highly supported. The GMYC species delimitation analysis unequivocally delimited the three species with no other than the three species solution included in the confidence interval. A likelihood ratio test rejected the one-species null model. Important morphological characters distinguishing the species are provided and illustrated. New distributional data are given for the following species: Hyphydrus anatolicus from Slovakia and Ukraine, and H. aubei Ganglbauer, 1891, and H. sanctus from Turkey.

  • 5. Bistrom, Olof
    et al.
    Nilsson, Anders N.
    Umeå University, Faculty of Science and Technology, Department of Ecology and Environmental Sciences.
    Bergsten, Johannes
    Taxonomic revision of Afrotropical Laccophilus Leach, 1815 (Coleoptera, Dytiscidae)2015In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, no 542, p. 1-379Article in journal (Refereed)
    Abstract [en]

    The African species of the genus Laccophilus Leach, 1815, are revised, on the basis of study of adult specimens. In all, 105 species are now recognized. A phenetic character-analysis was undertaken, which resulted in a split of the genus into 17 species groups. Diagnoses and a description of each species are given together with keys for identification of species groups and species. We also provide habitus photos, illustration of male genitalia and distribution maps for all species. New species are described as follows: L. grossus sp. n. (Angola, Namibia), L. rocchii sp. n. (Tanzania, Namibia, Botswana, Mozambique), L. ferrugo sp. n. (Mozambique), L. furthi sp. n. (Madagascar), L. isamberti sp. n. (Madagascar), L. inobservatus sp. n. (Gambia, Senegal, Mali, Niger, Sudan, Chad, Ethiopia, Burkina Faso, Ivory Coast, Ghana, Nigeria, Cameroon, Zaire and Asia: Yemen), L. cryptos sp. n. (Zaire, Mozambique, Zimbabwe, Namibia, Botswana, South Africa), L. enigmaticus sp. n. (Nigeria, Sudan), L. bellus sp. n. (Benin, Nigeria), L. guentheri sp. n. (Guinea, Ghana), L. guineensis sp. n. (Guinea), L. decorosus sp. n. (Uganda), L. empheres sp. n. (Kenya), L. inconstans sp. n. (Guinea, Ivory Coast, Ghana, Nigeria, Cameroon), L. brancuccii sp. n. (Central African Republic), L. incomptus sp. n. (Cameroon), L. australis sp. n. (Tanzania, South Africa), L. minimus sp. n. (Namibia), L. eboris sp. n. (Ivory Coast), L. insularum sp. n. (Madagascar), L. occidentalis sp. n. (Gambia, Senegal, Mali, Guinea, Sierra Leone, Ivory Coast, Ghana, Benin, Nigeria, Central African Republic, Zaire) and L. transversovittatus sp. n. (Madagascar). L. restrictus Sharp, 1882, is restored as good species; not junior synonym of L. pictipennis Sharp, 1882. New synonyms are established as follows: L. continentalis Gschwendtner, 1935 = L. perplexus Omer- Cooper, 1970, syn. n., L. taeniolatus Regimbart, 1889 = L. congener Omer-Cooper, 1957, syn. n., L. adspersus Boheman, 1848 = L. vitshumbii Guignot, 1959, syn. n. = L. adspersus nigeriensis Omer-Cooper, 1970, syn. n. = L. adspersus sudanensis Omer-Cooper, 1970, syn. n., L. modestus Regimbart, 1895 = L. espanyoli Hernando, 1990, syn. n., L. flaveolus Regimbart, 1906 = L. pampinatus Guignot, 1941, syn. n., L. trilineola Regimbart, 1889 = L. simulator Omer-Cooper, 1958, syn. n., L. mediocris Guignot, 1952 = L. meii Rocchi, 2000, syn. n., L. epinephes Guignot, 1955 = L. castaneus Guignot, 1956, syn. n., L. saegeri Guignot, 1958 = L. comoensis Pederzani & Reintjes, 2002, syn. n., L. restrictus Sharp, 1882 = L. evanescens Regimbart, 1895, syn. n., L. incrassatus Gschwendtner, 1933 = L. virgatus Guignot, 1953, syn. n., L. cyclopis Sharp, 1882 = L. shephardi Omer-Cooper, 1965, syn. n., L. burgeoni Gschwendtner, 1930 = L. wittei Guignot, 1952, syn. n., L. secundus Regimbart, 1895 = L. torquatus Guignot, 1956, syn. n., L. desintegratus Regimbart, 1895 = L. sanguinosus Regimbart, 1895, syn. n. and L. flavopictus Regimbart, 1889 = L. bergeri Guignot, 1953, syn. n. = L. segmentatus Omer-Cooper, 1957, syn. n. Lectotypes are designated for the following taxa: L. productus Regimbart, 1906, L. ruficollis Zimmermann, 1919, L. sordidus Sharp, 1882, L. alluaudi Regimbart, 1899, L. pictipennis Sharp, 1882, L. wehnckei Sharp, 1882, L. continentalis Gschwendtner, 1935, L. simplicistriatus Gschwendtner, 1932, L. complicatus Sharp, 1882, L. rivulosus Klug, 1833, L. ampliatus Regimbart, 1895, L. pilitarsis Regimbart, 1906, L. adspersus Boheman, 1848, L. livens Regimbart, 1895, L. modestus Regimbart, 1895, L. nodieri Regimbart, 1895, L. flaveolus Regimbart, 1906, L. pallescens Regimbart, 1903, L. restrictus Sharp, 1882, L. vermiculosus Gerstaecker, 1867, L. mocquerysi Regimbart, 1895, L. bizonatus Regimbart, 1895, L. tschoffeni Regimbart, 1895, L. persimilis Regimbart, 1895, L. poecilus Klug, 1834, L. lateralis Sharp, 1882, L. lateralis var. polygrammus Regimbart, 1903, L. cyclopis Sharp, 1882, L. shephardi Omer-Cooper, 1965, L. conjunctus Guignot, 1950, L. grammicus Sharp, 1882, L. flavoscriptus Regimbart, 1895, L. flavosignatus Regimbart, 1895, L. brevicollis Sharp, 1882, L. secundus Regimbart, L. desintegratus Regimbart, 1895, L. gutticollis Regimbart, 1895, L. luctuosus Sharp, 1882 and L. inornatus Zimmermann, 1926. Laccophilus remex Guignot, 1952, comprises a species complex with uncertain taxonomic delimitation; the complex includes L. concisus Guignot, 1953, L. turneri Omer-Cooper, 1957 and L. praeteritus Omer-Cooper, 1957, as tentative synonyms of L. remex Guignot, 1952.

  • 6. Biström, Olof
    et al.
    Bergsten, Johannes
    Swedish Museum of Natural History, Department of Zoology.
    Two new species of the megadiverse lentic diving-beetle genus Hydrovatus (Coleoptera, Dytiscidae) described from NE Thailand.2016In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, no 632, p. 57-66Article in journal (Refereed)
    Abstract [en]

    Here we describe two new Hydrovatus species (Coleoptera: Dytiscidae: Hydroporinae: Hydrovatini) from the province of Khon Kaen, Isan region in NE Thailand. Hydrovatus is the third most species rich genus of diving beetles (Dytiscidae). It occurs on all continents except Antarctica and now numbers 210 currently recognized species. Both new species, Hydrovatus diversipunctatussp. n. and Hydrovatus globosussp. n., were collected at lights and are only known from the type locality "Khon Kaen" (a city and province). Diagnoses based on morphology for the separation from closely related species are given together with illustrations of male genitalia and habitus photos. We provide a determination key to Old World species of the pustulatus species group and to Oriental species of the oblongipennis species group.

  • 7. Biström, Olof
    et al.
    Nilsson, Anders N
    Bergsten, Johannes
    Swedish Museum of Natural History, Department of Zoology.
    Taxonomic revision of Afrotropical Laccophilus Leach, 1815 (Coleoptera, Dytiscidae).2015In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, no 542, p. 1-379Article in journal (Refereed)
    Abstract [en]

    The African species of the genus Laccophilus Leach, 1815, are revised, on the basis of study of adult specimens. In all, 105 species are now recognized. A phenetic character-analysis was undertaken, which resulted in a split of the genus into 17 species groups. Diagnoses and a description of each species are given together with keys for identification of species groups and species. We also provide habitus photos, illustration of male genitalia and distribution maps for all species. New species are described as follows: Laccophilus grossus sp. n. (Angola, Namibia), Laccophilus rocchii sp. n. (Tanzania, Namibia, Botswana, Mozambique), Laccophilus ferrugo sp. n. (Mozambique), Laccophilus furthi sp. n. (Madagascar), Laccophilus isamberti sp. n. (Madagascar), Laccophilus inobservatus sp. n. (Gambia, Senegal, Mali, Niger, Sudan, Chad, Ethiopia, Burkina Faso, Ivory Coast, Ghana, Nigeria, Cameroon, Zaire and Asia: Yemen), Laccophilus cryptos sp. n. (Zaire, Mozambique, Zimbabwe, Namibia, Botswana, South Africa), Laccophilus enigmaticus sp. n. (Nigeria, Sudan), Laccophilus bellus sp. n. (Benin, Nigeria), Laccophilus guentheri sp. n. (Guinea, Ghana), Laccophilus guineensis sp. n. (Guinea), Laccophilus decorosus sp. n. (Uganda), Laccophilus empheres sp. n. (Kenya), Laccophilus inconstans sp. n. (Guinea, Ivory Coast, Ghana, Nigeria, Cameroon), Laccophilus brancuccii sp. n. (Central African Republic), Laccophilus incomptus sp. n. (Cameroon), Laccophilus australis sp. n. (Tanzania, South Africa), Laccophilus minimus sp. n. (Namibia), Laccophilus eboris sp. n. (Ivory Coast), Laccophilus insularum sp. n. (Madagascar), Laccophilus occidentalis sp. n. (Gambia, Senegal, Mali, Guinea, Sierra Leone, Ivory Coast, Ghana, Benin, Nigeria, Central African Republic, Zaire) and Laccophilus transversovittatus sp. n. (Madagascar). Laccophilus restrictus Sharp, 1882, is restored as good species; not junior synonym of Laccophilus pictipennis Sharp, 1882. New synonyms are established as follows: Laccophilus continentalis Gschwendtner, 1935 = Laccophilus perplexus Omer-Cooper, 1970, syn. n., Laccophilus taeniolatus Régimbart, 1889 = Laccophilus congener Omer-Cooper, 1957, syn. n., Laccophilus adspersus Boheman, 1848 = Laccophilus vitshumbii Guignot, 1959, syn. n. = Laccophilus adspersus nigeriensis Omer-Cooper, 1970, syn. n. = Laccophilus adspersus sudanensis Omer-Cooper, 1970, syn. n., Laccophilus modestus Régimbart, 1895 = Laccophilus espanyoli Hernando, 1990, syn. n., Laccophilus flaveolus Régimbart, 1906 = Laccophilus pampinatus Guignot, 1941, syn. n., Laccophilus trilineola Régimbart, 1889 = Laccophilus simulator Omer-Cooper, 1958, syn. n., Laccophilus mediocris Guignot, 1952 = Laccophilus meii Rocchi, 2000, syn. n., Laccophilus epinephes Guignot, 1955 = Laccophilus castaneus Guignot, 1956, syn. n., Laccophilus saegeri Guignot, 1958 = Laccophilus comoensis Pederzani & Reintjes, 2002, syn. n., Laccophilus restrictus Sharp, 1882 = Laccophilus evanescens Régimbart, 1895, syn. n., Laccophilus incrassatus Gschwendtner, 1933 = Laccophilus virgatus Guignot, 1953, syn. n., Laccophilus cyclopis Sharp, 1882 = Laccophilus shephardi Omer-Cooper, 1965, syn. n., Laccophilus burgeoni Gschwendtner, 1930 = Laccophilus wittei Guignot, 1952, syn. n., Laccophilus secundus Régimbart, 1895 = Laccophilus torquatus Guignot, 1956, syn. n., Laccophilus desintegratus Régimbart, 1895 = Laccophilus sanguinosus Régimbart, 1895, syn. n. and Laccophilus flavopictus Régimbart, 1889 = Laccophilus bergeri Guignot, 1953, syn. n. = Laccophilus segmentatus Omer-Cooper, 1957, syn. n. Lectotypes are designated for the following taxa: Laccophilus productus Régimbart, 1906, Laccophilus ruficollis Zimmermann, 1919, Laccophilus sordidus Sharp, 1882, Laccophilus alluaudi Régimbart, 1899, Laccophilus pictipennis Sharp, 1882, Laccophilus wehnckei Sharp, 1882, Laccophilus continentalis Gschwendtner, 1935, Laccophilus simplicistriatus Gschwendtner, 1932, Laccophilus complicatus Sharp, 1882, Laccophilus rivulosus Klug, 1833, Laccophilus ampliatus Régimbart, 1895, Laccophilus pilitarsis Régimbart, 1906, Laccophilus adspersus Boheman, 1848, Laccophilus livens Régimbart, 1895, Laccophilus modestus Régimbart, 1895, Laccophilus nodieri Régimbart, 1895, Laccophilus flaveolus Régimbart, 1906, Laccophilus pallescens Régimbart, 1903, Laccophilus restrictus Sharp, 1882, Laccophilus vermiculosus Gerstaecker, 1867, Laccophilus mocquerysi Régimbart, 1895, Laccophilus bizonatus Régimbart, 1895, Laccophilus tschoffeni Régimbart, 1895, Laccophilus persimilis Régimbart, 1895, Laccophilus poecilus Klug, 1834, Laccophilus lateralis Sharp, 1882, Laccophilus lateralis var. polygrammus Régimbart, 1903, Laccophilus cyclopis Sharp, 1882, Laccophilus shephardi Omer-Cooper, 1965, Laccophilus conjunctus Guignot, 1950, Laccophilus grammicus Sharp, 1882, Laccophilus flavoscriptus Régimbart, 1895, Laccophilus flavosignatus Régimbart, 1895, Laccophilus brevicollis Sharp, 1882, Laccophilus secundus Régimbart, Laccophilus desintegratus Régimbart, 1895, Laccophilus gutticollis Régimbart, 1895, Laccophilus luctuosus Sharp, 1882 and Laccophilus inornatus Zimmermann, 1926. Laccophilus remex Guignot, 1952, comprises a species complex with uncertain taxonomic delimitation; the complex includes Laccophilus concisus Guignot, 1953, Laccophilus turneri Omer-Cooper, 1957 and Laccophilus praeteritus Omer-Cooper, 1957, as tentative synonyms of Laccophilus remex Guignot, 1952.

  • 8. Fossen, Erlend I
    et al.
    Ekrem, Torbjørn
    Nilsson, Anders N
    Bergsten, Johannes
    Swedish Museum of Natural History, Department of Zoology.
    Species delimitation in northern European water scavenger beetles of the genus Hydrobius (Coleoptera, Hydrophilidae).2016In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, no 564Article in journal (Refereed)
    Abstract [en]

    The chiefly Holarctic Hydrobius species complex (Coleoptera, Hydrophilidae) currently consists of Hydrobius arcticus Kuwert, 1890, and three morphological variants of Hydrobius fuscipes (Linnaeus, 1758): var. fuscipes, var. rottenbergii and var. subrotundus in northern Europe. Here molecular and morphological data are used to test the species boundaries in this species complex. Three gene segments (COI, H3 and ITS2) were sequenced and analyzed with Bayesian methods to infer phylogenetic relationships. The Generalized Mixed Yule Coalescent (GMYC) model and two versions of the Bayesian species delimitation method BPP, with or without an a priori defined guide tree (v2.2 & v3.0), were used to evaluate species limits. External and male genital characters of primarily Fennoscandian specimens were measured and statistically analyzed to test for significant differences in quantitative morphological characters. The four morphotypes formed separate genetic clusters on gene trees and were delimited as separate species by GMYC and by both versions of BPP, despite specimens of Hydrobius fuscipes var. fuscipes and Hydrobius fuscipes var. subrotundus being sympatric. Hydrobius arcticus and Hydrobius fuscipes var. rottenbergii could only be separated genetically with ITS2, and were delimited statistically with GMYC on ITS2 and with BPP on the combined data. In addition, six or seven potentially cryptic species of the Hydrobius fuscipes complex from regions outside northern Europe were delimited genetically. Although some overlap was found, the mean values of six male genital characters were significantly different between the morphotypes (p < 0.001). Morphological characters previously presumed to be diagnostic were less reliable to separate Hydrobius fuscipes var. fuscipes from Hydrobius fuscipes var. subrotundus, but characters in the literature for Hydrobius arcticus and Hydrobius fuscipes var. rottenbergii were diagnostic. Overall, morphological and molecular evidence strongly suggest that Hydrobius arcticus and the three morphological variants of Hydrobius fuscipes are separate species and Hydrobius rottenbergii Gerhardt, 1872, stat. n. and Hydrobius subrotundus Stephens, 1829, stat. n. are elevated to valid species. An identification key to northern European species of Hydrobius is provided.

  • 9. Fossen, Erlend I.
    et al.
    Ekrem, Torbjørn
    Nilsson, Anders N
    Umeå University, Faculty of Science and Technology, Department of Ecology and Environmental Sciences.
    Bergsten, Johannes
    Species delimitation in northern European water scavenger beetles of the genus Hydrobius (Coleoptera, Hydrophilidae)2016In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, no 564, p. 71-120Article in journal (Refereed)
    Abstract [en]

    The chiefly Holarctic Hydrobius species complex (Coleoptera, Hydrophilidae) currently consists of H. arcticus Kuwert, 1890, and three morphological variants of H. fuscipes (Linnaeus, 1758): var. fuscipes, var. rottenbergii and var. subrotundus in northern Europe. Here molecular and morphological data are used to test the species boundaries in this species complex. Three gene segments (COI, H3 and ITS2) were sequenced and analyzed with Bayesian methods to infer phylogenetic relationships. The Generalized Mixed Yule Coalescent (GMYC) model and two versions of the Bayesian species delimitation method BPP, with or without an a priori defined guide tree (v2.2 & v3.0), were used to evaluate species limits. External and male genital characters of primarily Fennoscandian specimens were measured and statistically analyzed to test for significant differences in quantitative morphological characters. The four morphotypes formed separate genetic clusters on gene trees and were delimited as separate species by GMYC and by both versions of BPP, despite specimens of H. f. var. fuscipes and H. f. var. subrotundus being sympatric. H. arcticus and H. f. var. rottenbergii could only be separated genetically with ITS2, and were delimited statistically with GMYC on ITS2 and with BPP on the combined data. In addition, six or seven potentially cryptic species of the H. fuscipes complex from regions outside northern Europe were delimited genetically. Although some overlap was found, the mean values of six male genital characters were significantly different between the morphotypes (p < 0.001). Morphological characters previously presumed to be diagnostic were less reliable to separate H. f. var. fuscipes from H. f. var. subrotundus, but characters in the literature for H. arcticus and H. f. var. rottenbergii were diagnostic. Overall, morphological and molecular evidence strongly suggest that H. arcticus and the three morphological variants of H. fuscipes are separate species and Hydrobius rottenbergii Gerhardt, 1872, stat. n. and Hydrobius subrotundus Stephens, 1829, stat. n. are elevated to valid species. An identification key to northern European species of Hydrobius is provided.

  • 10. Hjalmarsson, Anna Emilia
    et al.
    Bukontaite, Rasa
    Stockholm University, Faculty of Science, Department of Zoology. Swedish Museum of Natural History, Sweden.
    Ranarilalatiana, Tolotra
    Randriamihaja, Jacquelin Herisahala
    Bergsten, Johannes
    Taxonomic revision of Madagascan Rhantus (Coleoptera, Dytiscidae, Colymbetinae) with an emphasis on Manjakatompo as a conservation priority2013In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, no 350, p. 21-45Article in journal (Refereed)
    Abstract [en]

    We review the diving-beetle genus Rhantus Dejean of Madagascar (Coleoptera, Dytiscidae, Colymbetinae) based on museum collection holdings and recently collected expedition material. Both morphology and DNA is used to test species boundaries, in particular whether newly collected material from the Tsaratanana mountains in the north represent a new species or are conspecific with Rhantus manjakatompo Pederzani and Rocchi 2009, described based on a single male specimen from the central Ankaratra mountains. DNA of the holotype of R. manjakatompo was successfully extracted in a non-destructive way and sequenced. The general mixed Yule coalescent model applied to an ultrametric tree constructed from mitochondrial cytochrome c oxidase subunit I (COI) sequence data delimited three species. Morphological characters supported the same species unambiguously. We therefore recognise three species of Rhantus to occur in Madagascar: R. latus (Fairmaire, 1869), R. bouvieri Regimbart, 1900 and R. manjakatompo Pederzani and Rocchi, 2009. All three species are endemic to Madagascar and restricted to the highlands of the island. Rhantus stenonychus Regimbart, 1895, syn. n., is considered a junior synonym of R. latus. We designate lectotypes for R. bouvieri and R. goudoti Sharp, 1882, the latter a junior synonym of R. latus. We provide descriptions, a determination key, SEM-images of fine pronotal and elytral structures, distribution maps, habitus photos, and illustrations of male genitalia and pro-and mesotarsal claws. We discuss the role of the Manjakatompo forest as a refugium for Madagascan Rhantus diversity and other endemics of the montane central high plateau.

  • 11. Holmgren, Sandra
    et al.
    Angus, Robert
    Jia, Fenglong
    Chen, Zhen-Ning
    Bergsten, Johannes
    Swedish Museum of Natural History, Department of Zoology.
    Resolving the taxonomic conundrum in Graphoderus of the east Palearctic with a key to all species (Coleoptera, Dytiscidae).2016In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, no 574, p. 113-142Article in journal (Refereed)
    Abstract [en]

    The Holarctic diving beetle genus Graphoderus (Dytiscinae, Aciliini) contains relatively few and well-known species but these may still be difficult to identify based on external characters. A taxonomic problem in the eastern Palearctic was discovered that relates to the Palearctic Graphoderus zonatus (Hoppe, 1795) and the Nearctic Graphoderus perplexus Sharp, 1882. Based on qualitative and quantitative characters, especially on male genitalia which have been poorly studied in the past, it is shown that eastern Palearctic specimens identified by previous authors as either of the two species in fact belongs to a third species. The synonymized name Graphoderus elatus Sharp, 1882, is reinstated as a valid species (stat. n.) and a lectotype is designated from the mixed syntype series. The male genitalia of all known Graphoderus species have been examined and an illustrated identification key to the genus is provided. The three species in the complex of focus, Graphoderus elatus, Graphoderus zonatus and Graphoderus perplexus are found to have allopatric distributions; Graphoderus perplexus in the Nearctic region, Graphoderus zonatus in the west Palearctic region and eastwards to the Yenisei-Angara river and Graphoderus elatus east of the Yenisei-Angara river. All previous records of either Graphoderus zonatus or Graphoderus perplexus in the east Palearctic, east of the Yenisei-Angara river turned out to be misidentified Graphoderus elatus. This conclusion also brings with it that dimorphic females, thought only to be present in the single subspecies Graphoderus zonatus verrucifer (CR Sahlberg, 1824), proved to be present also in a second species, Graphoderus elatus. The dimorphic female forms is either with dorsally smooth elytra and pronotum or conspicuously granulated elytra and wrinkly pronotum. As has been shown in Graphoderus zonatus verrucifer there is a correlation between the occurrence of granulate female forms in a population and an increase in the number of adhesive discs on pro- and mesotarsus in males within Graphoderus elatus.

  • 12.
    Holmgren, Sandra
    et al.
    Stockholm University, Faculty of Science, Department of Zoology. Swedish Museum of Natural History, Sweden.
    Angus, Robert
    Jia, Fenglong
    Chen, Zhen-ning
    Bergsten, Johannes
    Resolving the taxonomic conundrum in Graphoderus of the east Palearctic with a key to all species (Coleoptera, Dytiscidae)2016In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, no 574, p. 113-142Article in journal (Refereed)
    Abstract [en]

    The Holarctic diving beetle genus Graphoderus (Dytiscinae, Aciliini) contains relatively few and well-known species but these may still be difficult to identify based on external characters. A taxonomic problem in the eastern Palearctic was discovered that relates to the Palearctic G. zonatus (Hoppe, 1795) and the Nearctic G. perplexus Sharp, 1882. Based on qualitative and quantitative characters, especially on male genitalia which have been poorly studied in the past, it is shown that eastern Palearctic specimens identified by previous authors as either of the two species in fact belongs to a third species. The synonymized name G. elatus Sharp, 1882, is reinstated as a valid species (stat. n.) and a lectotype is designated from the mixed syntype series. The male genitalia of all known Graphoderus species have been examined and an illustrated identification key to the genus is provided. The three species in the complex of focus, G. elatus, G. zonatus and G. perplexus are found to have allopatric distributions; G. perplexus in the Nearctic region, G. zonatus in the west Palearctic region and eastwards to the Yenisei-Angara river and G. elatus east of the Yenisei-Angara river. All previous records of either G. zonatus or G. perplexus in the east Palearctic, east of the Yenisei-Angara river turned out to be misidentified G. elatus. This conclusion also brings with it that dimorphic females, thought only to be present in the single subspecies G. zonatus verrucifer (CR Sahlberg, 1824), proved to be present also in a second species, G. elatus. The dimorphic female forms is either with dorsally smooth elytra and pronotum or conspicuously granulated elytra and wrinkly pronotum. As has been shown in G. z. verrucifer there is a correlation between the occurrence of granulate female forms in a population and an increase in the number of adhesive discs on pro- and mesotarsus in males within G. elatus.

  • 13.
    Häggqvist, Sibylle
    et al.
    Swedish Museum of Natural History, Department of Bioinformatics and Genetics.
    Ulefors, Sven Olof
    Ronquist, Fredrik
    Swedish Museum of Natural History, Department of Bioinformatics and Genetics.
    A new species group in Megaselia, the lucifrons group, with description of a new species (Diptera, Phoridae)2015In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, Vol. 512, p. 89-108Article in journal (Refereed)
  • 14.
    Häggqvist, Sibylle
    et al.
    Stockholm University, Faculty of Science, Department of Zoology. Swedish Museum of Natural History, Sweden.
    Ulefors, Sven Olof
    Ronquist, Fredrik
    A new species group in Megaselia, the lucifrons group, with description of a new species (Diptera, Phoridae)2015In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, no 512, p. 89-108Article in journal (Refereed)
    Abstract [en]

    With 1,400 described species, Megaselia is one of the most species-rich genera in the animal kingdom, and at the same time one of the least studied. An important obstacle to taxonomic progress is the lack of knowledge concerning the phylogenetic structure within the genus. Classification of Megaselia at the level of subgenus is incomplete although Schmitz addressed several groups of species in a series of monographs published from 1956 to 1981. Another problem is the lack of molecular phylogenetic analyses to support morphology-based conclusions. As a contribution towards addressing these problems, we here circumscribe a previously unrecognized monophyletic lineage of Megaselia consisting of species similar to M. lucifrons. We base this taxonomic decision on morphological study of an extensive phorid material from Sweden, complemented by molecular analyses of select exemplars using two markers (COI and 28S). We name the clade the lucifrons species group, and show that it contains three distinct species. Our results also demonstrate that Megaselia subnitida Lundbeck, 1920, previously treated as a synonym of M. lucifrons Schmitz, 1918, is a separate species, and we remove it from synonymy. The third species in the group was previously unknown; we describe it here as M. albalucifrons sp. n.

  • 15.
    Janssen, Ralf
    Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Palaeobiology.
    A curious abnormally developed embryo of the pill millipede Glomeris marginata (Villers, 1789)2013In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, no 276, p. 67-75Article in journal (Refereed)
    Abstract [en]

    This paper reports on an abnormally developed embryo (ADE) of the common pill millipede Glomeris marginata. This ADE represents a modified case of Duplicitas posterior, in which two posterior ends are present, but only one anterior end. While the major posterior germ band of the embryo appears almost normally developed, the minor posterior germ band is heavily malformed, has no clear correlation to the single head, little or no ventral tissue, and a minute amount of yolk. The anterior end of the minor germ band is fused to the ventral side of the major germ band between the first and second trunk segment. At least one appendage of the second trunk segment appears to be shared by the two germ bands. Morphology and position of the minor germ band suggest that the ADE may be the result of an incorrectly established single cumulus [the later posterior segment addition zone (SAZ)]. This differs from earlier reports on D. posterior type ADEs in G. marginata that are likely the result of the early formation of two separate cumuli.

  • 16.
    Kullander, Sven
    et al.
    Swedish Museum of Natural History, Department of Zoology.
    Norén, Michael
    Swedish Museum of Natural History, Department of Zoology.
    Rahman, MD. Mizanur
    University of Dhaka.
    Mollah, Abdur Rob
    University of Dhaka.
    Laubuka tenella, a new species of cyprinid fish from southeastern Bangladesh and southwestern Myanmar (Teleostei, Cyprinidae, Danioninae)2018In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, Vol. 742, p. 105-126Article in journal (Refereed)
    Abstract [en]

    Laubuka tenella is a new species characterized by the colour pattern, consisting of short dark verticalbars anteriorly on the side, and a dark lateral band posteriorly on the side, combined with a relativelyshort pelvic fin and 29–30 lateral-line scales. It is separated from other   analysed by minimum9 % uncorrected p-distance in the mitochondrial COI gene. The type series is composed of specimens from small streams in the Cox’s Bazar District in Bangladesh (the type locality), and the Thandwe River drainage in western Myanmar. Laubuka brahmaputraensis is strongly indicated to be a junior synonymof L. laubuca, the second known species of Laubuka in Bangladesh. Eustira ceylonensis, currently in thes ynonymy of Devario malabaricus, is a valid species of Laubuka.

  • 17. Michat, Mariano
    Bergsten, Johannes
    Swedish Museum of Natural History, Department of Zoology.
    Larval description and chaetotaxic analysis of Dineutus sinuosipennis Laporte, 1840, with a key for the identification of larvae of the tribe Dineutini (Coleoptera, Gyrinidae).2017In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, Vol. 718, p. 95-114Article in journal (Refereed)
    Abstract [en]

     The larvae of the Malagasy whirligig beetle Dineutus sinuosipennis Laporte, 1840, identified using DNA sequence data, are described and illustrated for the first time, including detailed morphometric and chaetotaxic analyses of selected structures and a description of larval habitat. Larvae of the genus Dineutus Macleay, 1825 are diagnosed, and a key to identify the genera of the tribe Dineutini is presented. Larvae of Dineutus exhibit the characters traditionally recognized as autapomorphies of the Gyrinidae: body less sclerotized, egg bursters located on the parietal, one additional sensorial plate on the third antennomere, cardo and lacinia well developed, prementum completely divided, abdominal tracheal gills, and four terminal hooks on the pygopod. They also share with larvae of the other Dineutini genera these putative synapomorphies: numerous minute pore-like additional structures on the ultimate maxillary and labial palpomeres, coxal primary seta CO12 inserted submedially, and trochanteral primary seta TR2 absent. Larvae of Dineutus can be distinguished from those of other known genera of Dineutini by the posterior margin of the lacinia not dentate, tracheal gills plumose, parietal seta PA5 inserted relatively far from setae PA7–9, mandibular pores MNb and MNc inserted relatively far from each other, and tarsal seta TA1 inserted submedially.

  • 18.
    Prous, Marko
    et al.
    Senckenberg Deutsches Entomologisches Institut, Eberswalder Straße 90, 15374 Müncheberg, Germany.
    Liston, Andrew
    Senckenberg Deutsches Entomologisches Institut, Eberswalder Straße 90, 15374 Müncheberg, Germany..
    Kramp, Katja
    Senckenberg Deutsches Entomologisches Institut, Eberswalder Straße 90, 15374 Müncheberg, Germany..
    Savina, Henri
    Parc Majorelle, 33 chemin du Ramelet-Moundi, bât. C, apt. 16, 31100 Toulouse, France.
    Vårdal, Hege
    Swedish Museum of Natural History, Department of Zoology.
    Taeger, Andreas
    The West Palaearctic genera of Nematinae (Hymenoptera, Tenthredinidae)2019In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, Vol. 875, p. 63-127Article in journal (Refereed)
    Abstract [en]

    Keys to adults and larvae of the genera of West Palaearctic nematine sawflies are presented. Species of some of the smaller genera are keyed, and their taxonomy, distribution, and host plants reviewed, with a geographic focus on north-western Europe, particularly Sweden. Dinematus Lacourt, 2006 is a new junior subjective synonym of Pristiphora Latreille, 1810, resulting in the new combination Pristiphora krausi (Lacourt, 2006) for the type species of Dinematus. Hemichroa monticola Ermolenko, 1960 is a new junior subjective synonym of Hemichroa australis (Serville, 1823). Lectotypes are designated for Tenthredo opaca Fabricius, 1775, Mesoneura opaca var. nigerrima Enslin, 1914, Mesoneura opaca var. obscuriventris Enslin, 1914, Nematus hypogastricus Hartig, 1837, Nematus alnivorus Hartig, 1840, Leptopus rufipes Förster, 1854, Nematus protensus Förster, 1854, and Platycampus luridiventris var. pleuritica Enslin, 1915. A phylogenetic analysis based on four genes (mitochondrial COI and nuclear NaK, POL2, and TPI) supports the current generic classification.

  • 19. Ranarilalatiana, Tolotra
    et al.
    Bergsten, Johannes
    Swedish Museum of Natural History, Department of Zoology.
    Discovery of a specialist Copelatinae fauna on Madagascar: highly ephemeral tropical forest floor depressions as an overlooked habitat for diving beetles (Coleoptera, Dytiscidae)2019In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, Vol. 871, p. 89-118Article in journal (Refereed)
    Abstract [en]

    Diving beetles are generally aquatic and live submerged in water during larval and adult stages. A few groupshave colonised hygropetric habitats and fewer species still can possibly be referred to as terrestrial. Here wedescribe six new Copelatine species that were mainly found in dry shallow forest floor depressions in the easternand northeastern lowland humid forests of Madagascar. Three new species are described in each of thetwo genera Copelatus and Madaglymbus: Copelatus amphibius sp. nov., Copelatus betampona sp. nov., Copelatuszanatanensis sp. nov., Madaglymbus kelimaso sp. nov., Madaglymbus menalamba sp. nov., and Madaglymbussemifactus sp. nov. Diagnosis, description, known distribution, ecology, and conservation notes areprovided for each species. All species are illustrated with a dorsal habitus image, ventral and lateral views ofthe male penis, and parameres. Photographs of the unusual terrestrial habitats where the species were foundare provided. Madaglymbus menalamba sp. nov. is also documented with macrophotos and videorecordingsof the terrestrial locomotion and behaviour in the field. Although these species should not be classified asterrestrial, or even semi-terrestrial Dytiscidae, they seem to be specialists of very ephemeral aquatic habitatsand stay put instead of disperse when the habitat dries up. It is hypothesised that this lifestyle and behaviouron Madagascar is restricted to the high-precipitation humid forest regions mainly in the east. It may alsorepresent a transition step, or stepping-stone, towards becoming fully terrestrial, a step that the few knownterrestrial Dytiscid taxa once passed through. It is very likely that this type of habitat is overlooked for aquaticbeetles, not only in Madagascar, and the six species herein described may be just the “tip of the iceberg”.

  • 20. Ranarilalatiana, Tolotra
    et al.
    Raveloson Ravaomanarivo, Lala Harivelo
    Bergsten, Johannes
    Swedish Museum of Natural History, Department of Zoology.
    Taxonomic revision of the genus Copelatus of Madagascar (Coleoptera, Dytiscidae, Copelatinae):the non-erichsonii group species2019In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, Vol. 869, p. 19-90Article in journal (Refereed)
    Abstract [en]

    The genus Copelatus Erichson, 1832 (Coleoptera, Dytiscidae, Copelatinae) of Madagascar is revised intwo parts. This review is restricted to the Copelatus species that have fewer than ten elytral + one submarginalstria, including all species except those of the erichsonii species group. Both morphological andmolecular (mitochondrial COI) data are used in an integrative taxonomic approach. Thirteen speciesare recognised, of which five are described as new: Copelatus ankaratra sp. nov., Copelatus kely sp. nov.,Copelatus pseudostriatus sp. nov., Copelatus safiotra sp. nov. and Copelatus vokoka sp. nov. Copelatus unguicularisRégimbart, 1903 and Copelatus apicalis Fairmaire, 1898 are both transferred to the genus MadaglymbusShaverdo & Balke, 2008 (comb. nov.). Copelatus mimetes Guignot 1957 is a junior synonym ofthe widespread Afrotropical–Arabian Copelatus pulchellus (Klug, 1834) (syn. nov.). Copelatus marginipennis(Laporte, 1835) is reinstated (stat. nov.) as a valid species with Copelatus aldabricus Balfour-Browne,1950 and Copelatus aldabricus var. simplex Guignot, 1952 as junior synonyms (syn. nov.). We designatelectotypes for Colymbetes marginipennis Laporte, 1835 and Copelatus obtusus Boheman, 1848. Copelatusperidinus Guignot, 1955 is recorded for Madagascar for the first time and Copelatus nodieri Régimbart,1895 is rejected as a species present in Madagascar.

  • 21. Rosa, Paolo
    et al.
    Vårdal, Hege
    Swedish Museum of Natural History, Department of Zoology.
    An annotated catalogue of the types of Chrysididae (Hymenoptera) at the Swedish Museum of Natural History, Stockholm, with brief historical notes2015In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, Vol. 495, p. 79-132Article in journal (Refereed)
    Abstract [en]

    A critical and annotated catalogue of 72 types of Chrysididae (Hymenoptera) belonging to 53 species and subspecies housed in the Swedish Museum of Natural History is given. The lectotypes of Chrysis diversa Dahlbom, 1845, C. soror Dahlbom, 1854, Chrysura sulcata Dahlbom, 1845 and Holopyga amoenula Dahlbom, 1845 are designated. The previous lectotype of Chrysis diversa Dahlbom, 1845 is set aside. Five new synonymies are proposed: Chrysis elegans var. smaragdula Trautmann, 1926 (currently C. elegans ssp. interrogata Linsenmaier, 1959 repl. name for smaragdula Trautmann, nec Fabricius, 1775), syn. n. of C. confluens (Dahlbom, 1845); C. eximia Mocsáry, 1889, syn. n. of C. poecila Mocsáry, 1889; C. pyrrhina Dahlbom, 1845, syn. n. of C. erythromelas Dahlbom, 1845; C. separata Trautmann, 1926, syn. n. of C. lateralis Dahlbom, 1845; C. sicula Abeille de Perrin, 1877, syn. n. of C. erythromelas Dahlbom, 1845. Chrysis serena Radoszkowski, 1891 is the first available name for C. pyrrhina sensu auctorum. C. erythromelas Dahlbom, 1845 is revaluated as valid species. The neotype of Chrysis inaequalis Dahlbom, 1845 is designated in the Linsenmaier collection (NMLS). Illustrations of 34 types are given.

  • 22. van Noort, Simon
    et al.
    Buffington, Matthew L
    Forshage, Mattias
    Swedish Museum of Natural History, Department of Zoology.
    Afrotropical Cynipoidea (Hymenoptera).2015In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, no 493, p. 1-176Article in journal (Refereed)
    Abstract [en]

    The Afrotropical Cynipoidea are represented by 306 described species and 54 genera in four families: Cynipidae, Figitidae, Liopteridae and Ibaliidae, the latter represented by a single introduced species. Seven of these genera are only represented by undescribed species in the region. Seven new genus-level synonymies, one genus resurrected from synonymy, 54 new combinations, one combination reinstated, and one new replacement name are presented. We provide identification keys to the families, subfamilies and genera of cynipoid wasps occurring in the Afrotropical region (Africa south of the Sahara, including Madagascar and southern Arabian Peninsula). Online interactive Lucid Phoenix and Lucid matrix keys are available at: http://www.waspweb.org/Cynipoidea/Keys/index.htm. An overview of the biology and checklists of species for each genus are provided. This paper constitutes the first contributory chapter to the book on Afrotropical Hymenoptera.

  • 23. van Noort, Simon
    et al.
    Buffington, Matthew L
    Forshage, Mattias
    Swedish Museum of Natural History, Department of Zoology.
    Review of Afrotropical Figitinae (Figitidae, Cynipoidea, Hymenoptera) with the first records of Neralsia and Lonchidia for the region.2014In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, no 453, p. 37-69Article in journal (Refereed)
    Abstract [en]

    The cynipoid subfamily Figitinae is poorly represented in the Afrotropical region with two genera (Figites Latreille and Xyalophora Kieffer) and six species currently known. Here we record an additional two genera (Neralsia Cameron and Lonchidia Thomson) for the region and describe three new species: Neralsiahaddocki sp. n.; Xyalophoratedjoansi sp. n.; Xyalophoratintini sp. n. Benoit's species described in 1956 are synonymized under Figitesaciculatus (Benoit, 1956): Figiteseffossus syn. n.; Figitesfavonius syn. n.; Figitesfurvus syn. n.; Figitesfraudator syn. n. Identification keys to the figitine genera and species occurring in the Afrotropical region are provided. Online interactive Lucid Phoenix and Lucid matrix keys are available at: http://www.waspweb.org/Cynipoidea/Keys/index.htm.

  • 24. Wahlberg, Niklas
    et al.
    Peña, Carlos
    Ahola, Milla
    Wheat, Christopher W.
    Stockholm University, Faculty of Science, Department of Zoology.
    Rota, Jadranka
    PCR primers for 30 novel gene regions in the nuclear genomes of Lepidoptera2016In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, no 596, p. 129-141Article in journal (Refereed)
    Abstract [en]

    We report primer pairs for 30 new gene regions in the nuclear genomes of Lepidoptera that can be amplified using a standard PCR protocol. The new primers were tested across diverse Lepidoptera, including nonditrysians and a wide selection of ditrysians. These new gene regions give a total of 11,043 bp of DNA sequence data and they show similar variability to traditionally used nuclear gene regions in studies of Lepidoptera. We feel that a PCR-based approach still has its place in molecular systematic studies of Lepidoptera, particularly at the intrafamilial level, and our new set of primers now provides a route to generating phylogenomic datasets using traditional methods.

  • 25. Wallin, Henrik
    et al.
    Kvamme, Torstein
    Bergsten, Johannes
    Swedish Museum of Natural History, Department of Zoology.
    To be or not to be a subspecies: description of Saperda populnea lapponica ssp. n. (Coleoptera, Cerambycidae) developing in downy willow (Salix lapponum L.)2017In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, Vol. 691, p. 103-148Article in journal (Refereed)
    Abstract [en]

     A new subspecies of the European cerambycid Saperda populnea (Linnaeus, 1758) is described: Saperda populnea lapponica ssp. n. based on specimens from Scandinavia. The male genitalia characters were examined and found to provide support for this separation, as well as differences in morphology, geographical distribution and bionomy. The preferred host tree for the nominate subspecies S. populnea populnea is Populus tremula L., whereas S. populnea lapponica ssp. n. is considered to be monophagous on Salix lapponum L. DNA sequence data of mitochondrial cytochrome oxidase subunit I (COI) was generated from Scandinavian specimens of S. populnea populnea and specimens representing S. populnea lapponica ssp. n. The two subspecies were not reciprocally monophyletic and genetic distances in COI were small. All synonyms of S. populnea populnea have been considered, and species similar to S. populnea populnea have been examined, and not found to be related to S. populnea lapponica ssp. n. A male lectotype has been designated for each of the two following synonyms: Cerambyx decempunctatus De Geer, 1775, and Saperda salicis Zetterstedt, 1818. The synonymised species from Asia, S. balsamifera (Motshulsky, 1860), is elevated to subspecies: S. populnea balsamifera stat. n. We end with a discussion on the definition of subspecies under the unified species concept.

  • 26. Wells, Alice
    et al.
    Johanson, Kjell Arne
    Swedish Museum of Natural History, Department of Zoology. Swedish Museum of Natural History.
    Review of New Caledonian species of Oxyethira Eaton,with description of 17 new species, and new recordsfor Hydroptila Dalman and Hellyethira Neboiss(Trichoptera, Hydroptilidae).2015In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, Vol. 530, p. 37-90Article in journal (Refereed)
    Abstract [en]

    New Caledonian representation of the cosmopolitan genus Oxyethira Eaton is reviewed, with the descriptionof new species bringing to 26 the total for the genus on the island. The species are referred to threesubgenera: Trichoglene Neboiss (11 species), Pacificotrichia Kelley (13 species) and Dampfitrichia Ulmer(one species) and one species is unplaced to subgenus. A key is provided to Oxyethira species of New Caledonia.In addition, new records are given for two otherwise Australian species, Hydroptila losida Moselyand Hellyethira malleoforma Wells. Points marked on a series of small maps of New Caledonia indicate thesite or sites at which the species were collected. This final paper in a series of generic revisions brings thehydroptilid fauna of the island of New Caledonia to 60 species, distributed in six genera.

  • 27. Wells, Alice
    et al.
    Johanson, Kjell Arne
    Swedish Museum of Natural History, Department of Zoology.
    Review of the New Caledonian species of Acritoptila Wells, 1982 (Trichoptera, Insecta), with descriptions of 3 new species2014In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, no 397, p. 1-23Article in journal (Refereed)
1 - 27 of 27
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