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Evolution of reproductive strategies in libellulid dragonflies (Odonata: Anisoptera)
Rutgers University, Newark, NJ, USA.
Lund University, Lund, Sweden.
Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, Bio- och miljösystemforskning (BLESS).
Johannes Gutenberg Universität Mainz, Mainz, Germany.
2012 (engelsk)Inngår i: Organisms Diversity & Evolution, ISSN 1439-6092, E-ISSN 1618-1077, Vol. 12, nr 3, s. 313-323Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

In Libellulidae, oocyte production has been assumed to be continuous, with periods of egg-laying interspersed with periods of resting/eating; however, recent work suggests that two types of oocyte production are common: either (a) continuous or (b) step-wise. These are mirrored in the arrangement of the ovarioles in the ovaries. Likewise, two types of mate-guarding behavior have been observed in Libellulidae: (1) non–contact guarding and (2) tandem guarding in which the male either hovers above the female or is physically attached to her during oviposition. Using molecular (mitochondrial and nuclear) data we explored the evolution of female reproductive traits, focusing on ovariole morphology, as well as guarding behavior, in Libellulidae. Continuous egg production appears to have evolved more than once, as have tandem and non-contact guarding. We discuss how the evolution of different ovariole types and guarding behavior may have been influenced by habitat instability, dispersal and crowded oviposition sites; thus, migratory behavior or habitat availability may have been the driving force of ovariole evolution.

sted, utgiver, år, opplag, sider
Heidelberg: Springer, 2012. Vol. 12, nr 3, s. 313-323
Emneord [en]
ovary type, mate guarding, outgroup selection, phylogeny, Bayesian analyses, trait correlation
HSV kategori
Identifikatorer
URN: urn:nbn:se:hh:diva-21278DOI: 10.1007/s13127-012-0096-0ISI: 000308662400012Scopus ID: 2-s2.0-84870484094OAI: oai:DiVA.org:hh-21278DiVA, id: diva2:599780
Merknad

Funding: Parts of this work were supported by a National Science Foundation Postdoctoral Research Fellowship (#0804424), and by National Science Foundation DEB–0423834.

Tilgjengelig fra: 2013-01-22 Laget: 2013-01-22 Sist oppdatert: 2018-03-22bibliografisk kontrollert

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