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Do ant mimics imitate cuticular hydrocarbons of their models?
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SYSNO ASEP 0365701 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Do ant mimics imitate cuticular hydrocarbons of their models? Author(s) Pekár, S. (CZ)
Jiroš, Pavel (UOCHB-X)Number of authors 2 Source Title Animal Behaviour. - : Elsevier - ISSN 0003-3472
Roč. 82, č. 5 (2011), s. 1193-1199Number of pages 7 s. Language eng - English Country GB - United Kingdom Keywords Araneae ; betesian mimicry ; defence ; Formicidae Subject RIV CC - Organic Chemistry CEZ AV0Z40550506 - UOCHB-X (2005-2011) UT WOS 000296423200033 DOI 10.1016/j.anbehav.2011.09.007 Annotation Myrmecomorphy, or ant mimicry, is a frequent type of Batesian mimicry among invertebrates. Myrmecomorphic species possess colour pattern and morphological resemblance to ants. Mimics associate closely with models that are dangerous to the mimics. Therefore, mimics must have been under strong selection to evolve adaptations that increase their survival among foraging ants. The imitation of intraspecific chemical signals on their cuticle could provide protection against ants. We studied whether myrmecomorphic spiders imitate cuticular hydrocarbons of their models. We chose five myrmecomorphic spider species from four families and compared their cuticular hydrocarbon profiles to those of their ant models. Overall, there was a higher similarity in profiles among mimics than among ant models. Our results show that ant-mimicking spiders must use other means to evade their models to increase their survival among model ants, such as behavioural avoidance. Workplace Institute of Organic Chemistry and Biochemistry Contact asep@uochb.cas.cz ; Kateřina Šperková, Tel.: 232 002 584 ; Jana Procházková, Tel.: 220 183 418 Year of Publishing 2012
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