Document Detail

Bivoltinism as an antecedent to eusociality in the paper wasp genus Polistes.
MedLine Citation:
PMID:  15821094     Owner:  NLM     Status:  MEDLINE    
To learn the evolutionary trajectories of caste differentiation in eusocial species is a major goal of sociobiology. We present an explanatory framework for caste evolution in the eusocial wasp genus Polistes (Vespidae), which is a model system for insect eusocial evolution. We hypothesize that Polistes worker and gyne castes stem from two developmental pathways that characterized the bivoltine life cycle of a solitary ancestor. Through individual-based simulations, we show that our mechanistic framework can reproduce colony-level characteristics of Polistes and, thereby, that social castes can emerge from solitary regulatory pathways. Our explanatory framework illustrates, by specific example, a changed perspective for understanding insect social evolution.
James H Hunt; Gro V Amdam
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  308     ISSN:  1095-9203     ISO Abbreviation:  Science     Publication Date:  2005 Apr 
Date Detail:
Created Date:  2005-04-11     Completed Date:  2005-04-18     Revised Date:  2014-09-08    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  United States    
Other Details:
Languages:  eng     Pagination:  264-7     Citation Subset:  IM    
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MeSH Terms
Biological Evolution*
Feeding Behavior
Larva / growth & development
Life Cycle Stages
Models, Biological
Sex Characteristics
Sexual Behavior, Animal
Social Behavior
Wasps / physiology*
Grant Support
P01 AG 22500/AG/NIA NIH HHS; P01 AG022500/AG/NIA NIH HHS; P01 AG022500-03/AG/NIA NIH HHS

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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