Behaviour and Social Evolution of Wasps: The Communal Aggregation Hypothesis

Behaviour and Social Evolution of Wasps: The Communal Aggregation Hypothesis

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Overview

Behaviour and Social Evolution of Wasps: The Communal Aggregation Hypothesis by Yoshiaki Ito, Yosiaki It?

In this book, Itô presents data on tropical wasps which suggest that kin-selection 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 egg-layers in a nest are not uncommon. Because coexistence of many 'queens' leads to lower relatedness among colony members than in single-queen colonies, he suggests that kin-selection may not be the most powerful force determining observed social patterns. Instead, subsocial wasps may first have aggregated for defense purposes in habitats with a high risk of predation, with mutualistic associations among many queens. Through parental manipulation and then kin selection, differentiation into within-generation castes may have followed. Of interest to all students of ecology, evolution, and behavior, this book beautifully demonstrates the author's ability to combine wide-ranging data with thoughtful questions.

Product Details

ISBN-13: 9780198540465
Publisher: Oxford University Press, USA
Publication date: 02/28/1993
Series: Oxford Series in Ecology and Evolution Series
Pages: 168
Product dimensions: 6.19(w) x 9.19(h) x 0.36(d)

About the Author

Nagoya University

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