Staff View: Colony membership, division of labor, and genetic relatedness among females of colonies of eustenogaster fraterna (Hymenoptera, Vespidae, Stenogastrinae)

Colony membership, division of labor, and genetic relatedness among females of colonies of eustenogaster fraterna (Hymenoptera, Vespidae, Stenogastrinae)

To compare the social structure of primitively social wasps with that of communal breeding vertebrates, we used a new technique based on micro videocameras applied to the nest envelope to study the organization of behavior in Malaysian colonies of the stenogastrine wasp Eustenogaster fraterna. The r...

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Main Authors:	Hashim, Rosli, Francescato, E., Massolo, A., Landi, M., Gerace, L., Turillazzi, S.
Format:	Article
Published:	2002
Subjects:	QH301 Biology
Online Access:	http://eprints.um.edu.my/8276/ http://link.springer.com/content/pdf/10.1023%2FA%3A1015489532040.pdf
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id	my.um.eprints.8276
record_format	eprints
spelling	my.um.eprints.82762019-01-24T09:07:01Z http://eprints.um.edu.my/8276/ Colony membership, division of labor, and genetic relatedness among females of colonies of eustenogaster fraterna (Hymenoptera, Vespidae, Stenogastrinae) Hashim, Rosli Francescato, E. Massolo, A. Landi, M. Gerace, L. Turillazzi, S. QH301 Biology To compare the social structure of primitively social wasps with that of communal breeding vertebrates, we used a new technique based on micro videocameras applied to the nest envelope to study the organization of behavior in Malaysian colonies of the stenogastrine wasp Eustenogaster fraterna. The reproductive division of labor in this species appears to be different from that reported so far in other species of Stenogastrinae: it is at a very primitive stage because the helpers work less hard and take fewer risks than the egg-layers. Nevertheless, the very low-risk tasks performed by the helpers (nest guarding and supply of abdominal secretion to the young larvae) are important for the colonies. Behavioral characters and ovarian development of the helpers suggest that females are only temporary helpers and that they wait to start their own production of offspring in the hope of inheriting the nest. Females of the same colony can be highly related, but in some colonies we found low-related individuals. The social organization of these wasps resembles that of vertebrate groups with helpers at the den, i.e., in the small number of individuals, the division of labor with limited reproductive inhibition, and the prolonged external work of the reproductive individuals. However, the main drive to sociality in these insects appears to be different, being based mainly on problems connected with short adult life and long immature brood development. 2002 Article PeerReviewed Hashim, Rosli and Francescato, E. and Massolo, A. and Landi, M. and Gerace, L. and Turillazzi, S. (2002) Colony membership, division of labor, and genetic relatedness among females of colonies of eustenogaster fraterna (Hymenoptera, Vespidae, Stenogastrinae). Journal of Insect Behavior, 15 (2). pp. 153-170. ISSN 0892-7553 http://link.springer.com/content/pdf/10.1023%2FA%3A1015489532040.pdf 10.1023/a:1015489532040
institution	Universiti Malaya
building	UM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaya
content_source	UM Research Repository
url_provider	http://eprints.um.edu.my/
topic	QH301 Biology
spellingShingle	QH301 Biology Hashim, Rosli Francescato, E. Massolo, A. Landi, M. Gerace, L. Turillazzi, S. Colony membership, division of labor, and genetic relatedness among females of colonies of eustenogaster fraterna (Hymenoptera, Vespidae, Stenogastrinae)
description	To compare the social structure of primitively social wasps with that of communal breeding vertebrates, we used a new technique based on micro videocameras applied to the nest envelope to study the organization of behavior in Malaysian colonies of the stenogastrine wasp Eustenogaster fraterna. The reproductive division of labor in this species appears to be different from that reported so far in other species of Stenogastrinae: it is at a very primitive stage because the helpers work less hard and take fewer risks than the egg-layers. Nevertheless, the very low-risk tasks performed by the helpers (nest guarding and supply of abdominal secretion to the young larvae) are important for the colonies. Behavioral characters and ovarian development of the helpers suggest that females are only temporary helpers and that they wait to start their own production of offspring in the hope of inheriting the nest. Females of the same colony can be highly related, but in some colonies we found low-related individuals. The social organization of these wasps resembles that of vertebrate groups with helpers at the den, i.e., in the small number of individuals, the division of labor with limited reproductive inhibition, and the prolonged external work of the reproductive individuals. However, the main drive to sociality in these insects appears to be different, being based mainly on problems connected with short adult life and long immature brood development.
format	Article
author	Hashim, Rosli Francescato, E. Massolo, A. Landi, M. Gerace, L. Turillazzi, S.
author_facet	Hashim, Rosli Francescato, E. Massolo, A. Landi, M. Gerace, L. Turillazzi, S.
author_sort	Hashim, Rosli
title	Colony membership, division of labor, and genetic relatedness among females of colonies of eustenogaster fraterna (Hymenoptera, Vespidae, Stenogastrinae)
title_short	Colony membership, division of labor, and genetic relatedness among females of colonies of eustenogaster fraterna (Hymenoptera, Vespidae, Stenogastrinae)
title_full	Colony membership, division of labor, and genetic relatedness among females of colonies of eustenogaster fraterna (Hymenoptera, Vespidae, Stenogastrinae)
title_fullStr	Colony membership, division of labor, and genetic relatedness among females of colonies of eustenogaster fraterna (Hymenoptera, Vespidae, Stenogastrinae)
title_full_unstemmed	Colony membership, division of labor, and genetic relatedness among females of colonies of eustenogaster fraterna (Hymenoptera, Vespidae, Stenogastrinae)
title_sort	colony membership, division of labor, and genetic relatedness among females of colonies of eustenogaster fraterna (hymenoptera, vespidae, stenogastrinae)
publishDate	2002
url	http://eprints.um.edu.my/8276/ http://link.springer.com/content/pdf/10.1023%2FA%3A1015489532040.pdf
_version_	1643688264514666496
score	13.211869

Colony membership, division of labor, and genetic relatedness among females of colonies of eustenogaster fraterna (Hymenoptera, Vespidae, Stenogastrinae)

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