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Is Being Large More Important for Female Than for Male Parasitic Wasps?

Is Being Large More Important for Female Than for Male Parasitic Wasps? IS BEING LARGE MORE IMPORTANT FOR FEMALE THAN FOR MALE PARASITIC WASPS? by J. VAN DEN ASSEM, J. J. A. VAN IERSEL and R. L. LOS-DEN HARTOGH1) (Zoological Laboratory, Division Ethology, University of Leiden, P.O.Box 9516, 2300 RA Leiden, The Netherlands) (With 7 Figures) (Acc. -III-1988) Introduction Several species of parasitic wasps (Chalcidoidea) operate in a variable environment. The size of a wasp's offspring may vary as a function of the size of the host on which it developed. This is true for many species (e.,g. JACKSON, 1968; I?ISHI, 1970; van den ASSEM, 1971; Opp & LucK, 1986). Although the extremes do not differ very much, males are usually smaller than females, on average. These empirical data suggest that a larger size is more important to females than to males (CHARNOV, 1979). Being large or small may have consequences for the reproductive success, hence, for the fitness (i. e. the classical fitness, as defined by DAWKINS, 1982) of individual wasps, and the consequences may differ between the sexes. It is in this evolutionary context that the way in which ovipositing wasps invest in an environment where offspring fitness varies, opens up interesting perspectives. Theoretical models have been developed (by http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Behaviour Brill

Is Being Large More Important for Female Than for Male Parasitic Wasps?

Van Den Assem, J.; Van Iersel, J.J.A.; LOS-DEN HARTOGH, R.L.
Behaviour , Volume 108 (1-2): 36 – Jan 1, 1989
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References (16)

Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0005-7959
eISSN
1568-539X
DOI
10.1163/156853989x00114
Publisher site
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Abstract

IS BEING LARGE MORE IMPORTANT FOR FEMALE THAN FOR MALE PARASITIC WASPS? by J. VAN DEN ASSEM, J. J. A. VAN IERSEL and R. L. LOS-DEN HARTOGH1) (Zoological Laboratory, Division Ethology, University of Leiden, P.O.Box 9516, 2300 RA Leiden, The Netherlands) (With 7 Figures) (Acc. -III-1988) Introduction Several species of parasitic wasps (Chalcidoidea) operate in a variable environment. The size of a wasp's offspring may vary as a function of the size of the host on which it developed. This is true for many species (e.,g. JACKSON, 1968; I?ISHI, 1970; van den ASSEM, 1971; Opp & LucK, 1986). Although the extremes do not differ very much, males are usually smaller than females, on average. These empirical data suggest that a larger size is more important to females than to males (CHARNOV, 1979). Being large or small may have consequences for the reproductive success, hence, for the fitness (i. e. the classical fitness, as defined by DAWKINS, 1982) of individual wasps, and the consequences may differ between the sexes. It is in this evolutionary context that the way in which ovipositing wasps invest in an environment where offspring fitness varies, opens up interesting perspectives. Theoretical models have been developed (by

Journal

Behaviour – Brill

Published: Jan 1, 1989

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