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Title: | Sexual dimorphism in Apfelbeckia insculpta (L. Koch, 1867) (Myriapoda: Diplopoda: Callipodida) | Authors: | Ilić, Bojan Mitić, Bojan Makarov, Slobodan |
Keywords: | Adult body plan;Balkan Peninsula;Evolutionary morphology;Millipedes;Sexual dimorphism | Issue Date: | 1-Jan-2017 | Rank: | M23 | Publisher: | Srpsko biološko društvo i grupa naučnih instituta | Journal: | Archives of Biological Sciences | Volume: | 69 | Issue: | 1 | Start page: | 23 | End page: | 33 | Abstract: | Apfelbeckia insculpta (L. Koch, 1867) is one of the largest European millipedes and an endemic species of the Balkan Peninsula. We present data on sexual dimorphism in size and body proportions obtained from 179 adult specimens of this species from four caves in Serbia and one in Montenegro using univariate and multivariate morphometric techniques. Sexual dimorphism was apparent and female-biased for all measured characters, except for lengths of the antennae and the 24th leg pair (which were larger in males) and lengths of the first, second and fourth leg pairs, which exhibited small differences between sexes. Generally, females had significantly greater body size than males, while males expressed significantly greater values in traits that can be associated with mobility and copulation behavior. Also, we found significant variations in sexual size and body proportions dimorphism among analyzed populations. The influences of fecundity and sexual selection on the adult body plan in A. insculpta are discussed. |
URI: | https://biore.bio.bg.ac.rs/handle/123456789/6694 | ISSN: | 03544664 | DOI: | 10.2298/ABS160229060I |
Appears in Collections: | Journal Article |
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