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Title: Sexual dimorphism in the parasitoid wasps aphidius balcanicus, aphidius rosae, and aphidius urticae (Hymenoptera: Braconidae: Aphidiinae)
Authors: Petrović, Andjeljko
Zeljko, Tomanovic
Kavallieratos, Nickolas
Mitrovski-Bogdanović, Ana
Starỳ P.
Ivanovic, Ana
Journal: Annals of the Entomological Society of America
Issue Date: 1-Jan-2014
Abstract: In this study, we explored variations in the magnitude and the direction of sexual dimorphism in three parasitoid species from the genus Aphidius Nees (Aphidius balcanicus Tomanović and Petrović, Aphidius rosae Haliday, and Aphidius urticae Haliday). We also explored the variation in sexual dimorphism within one of these species, A. urticae, which parasitizes and develops in three different hosts that belong to three aphid genera. To estimate sexual size dimorphism, we selected two developmentally and functionally unrelated morphological structures: the mesoscutum and the wing. Our results showed that sexual dimorphism in mesoscutum and wing size differ (sexual dimorphism in mesoscutum size appears to be insignificant, whereas the wings are larger in males). We found a high level of variation in sexual dimorphism in wing shape within and between species. We also found that the observed shape changes are not due to size-related, allometric changes in wing shape. These results indicate that sexual dimorphism in wing size and wing shape is highly variable and could be influenced by various factors, including host effects, whereas mesoscutum size appears to be a conserved trait in aphid parasitoids. © 2014 Entomological Society of America.
Type: Article
DOI: 10.1603/AN13119
ISSN: 00138746
SCOPUS: 84907341389
Appears in Collections:Faculty of Science, Kragujevac
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