Title
Behaviour and Social Evolution of Wasps: The Communal Aggregation Hypothesis (Oxford Series in Ecology and Evolution),Used
Delivery time: 8-12 business days (International)
In this book, Yosiaki Ito presents data on tropical wasps which suggests that kinselection has been overemphasized as an evolutionary explanation of sociality. He concentrates on the Vespidae (paper wasps and hornets), a group much discussed by evolutionary biologists because it exhibits all stages of social evolution subsociality, primitive eusociality and advanced eusociality. The author reports field observations by himself and others in Central America, Asia and Australia, showing that multiple egglayers in a nest are not uncommon. Because coexistence of many queens leads to lower relatedness among colony members than in singlequeen colonies, he suggests that kinselection may not be the most powerful force determining observed social patterns. Instead, subsocial wasps may first have aggregated for defence purposes in habitats with a high risk of predation, with mutualistic associations among many queens. Through parental manipulation and then kinselection, differentiation into withingeneration castes may have followed.
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