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Färgval hos blomkrabbspindeln (Misumena vatia) med och utan konkurrens
Gotland University, School of Culture, Energy and Environment.
2011 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

The colour choice of spiders and the effects of competition on this phenomenon were examined in the laboratory using the sit-and-wait predator goldenrod crab spider (Misumena vatia, (Thomisidae)). This species can  be both white and yellow (could also change colour)  and it was here examined whether individuals preferred to sit on flowers which has the same colouration as their bodies. I found that M.vatia showed preference for flowers that matched their own body colour, but when competition was introduced this preference disappear. It seems, however, that position is a factor that can influences the substrate decisions of M. vatia, where the edge of the flower is preferred.

Place, publisher, year, edition, pages
2011. , 20 p.
Keyword [sv]
Spindlar, färgval, konkurrens, kamouflage
National Category
Biological Sciences Ecology Ecology
Identifiers
URN: urn:nbn:se:hgo:diva-854OAI: oai:DiVA.org:hgo-854DiVA: diva2:406131
Uppsok
Life Earth Science
Supervisors
Examiners
Available from: 2011-04-04 Created: 2011-03-24 Last updated: 2013-07-01Bibliographically approved

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Examensarbete Sanna K(1197 kB)230 downloads
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Type fulltextMimetype application/pdf

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Kangasniemi, Sanna
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