Presents data on tropical wasps which suggests that kin-selection has been over-emphasized as an evolutionary explanation of sociality. This book discusses the significance of multi-queen colonies and the evolutionary pathways that may have led to observed social patterns. Series: Oxford Series in Ecology & Evolution. Num Pages: 168 pages, halftones, line figures, tables. BIC Classification: PSAJ; PSVP; PSVT7. Category: (P) Professional & Vocational. Dimension: 233 x 155 x 11. Weight in Grams: 296. . 2000. paperback. . . . .

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Bibliographic Details

Title: Behaviour And Social Evolution Of Wasps: The Communal Aggregation Hypothesis (Oxford Series in Ecology and Evolution)
Publisher: Oxford University Press, U.S.A.
Publication Date: 2000
Language: English
ISBN 10: 0198540469
ISBN 13: 9780198540465
Binding: Soft cover
Condition: New

About this title

Synopsis

In this book, It� 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.

About the Author

Yosiaki It� is at Okinawa University.

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