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Overwintering survival in relation to body mass in a field population of thewolf spider (Hygrolycosa rubrofasciata)

Published online by Cambridge University Press:  01 June 1999

Janne S. Kotiaho ,
Rauno V. Alatalo ,
Johanna Mappes  and
Silja Parri
Janne S. Kotiaho
Affiliation:
University of Jyväskylä, Department of Biological and Environmental Science, P.O. Box 35, FIN-40351 Jyväskylä, Finland
Rauno V. Alatalo
Affiliation:
University of Jyväskylä, Department of Biological and Environmental Science, P.O. Box 35, FIN-40351 Jyväskylä, Finland
Johanna Mappes
Affiliation:
University of Jyväskylä, Department of Biological and Environmental Science, P.O. Box 35, FIN-40351 Jyväskylä, Finland
Silja Parri
Affiliation:
University of Jyväskylä, Department of Biological and Environmental Science, P.O. Box 35, FIN-40351 Jyväskylä, Finland
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Abstract

Body size is often considered to be an important trait affecting individual fitness. In arthropods, females commonly benefit from larger size directly through increased fecundity (Roff, 1992), and males through increased mating success (Andersson, 1994). It has also been suggested that larger individuals may in general have a better survival than smaller individuals (Calder, 1983; Peters, 1983). From this suggestion it may be predicted that during stressful environmental conditions larger individuals should do better than smaller individuals.

Keywords

overwinteringsurvivalbody massspiderHygrolycosa rubrofasciata
Type
Short Communication
Information
Journal of Zoology , Volume 248 , Issue 2 , June 1999 , pp. 270 - 272
Copyright
© 1999 The Zoological Society of London

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