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Rates of Attack and Control of the Offspring Sex Ratio in the Parasitic Wasp Lariophagus Distinguendus in an Environment Where Host Quality Varies

Rates of Attack and Control of the Offspring Sex Ratio in the Parasitic Wasp Lariophagus... RATES OF ATTACK AND CONTROL OF THE OFFSPRING SEX RATIO IN THE PARASITIC WASP LARIOPHAGUS DISTINGUENDUS IN AN ENVIRONMENT WHERE HOST QUALITY VARIES by G. SIMBOLOTTI1), F. A. PUTTERS and J. VAN DEN ASSEM2) (Zoological Laboratory, Division Ethology, University of Leiden, P.O. Box 9516, 2300 RA Leiden, The Netherlands) (With 11 Figures) (Acc. 1-III-1986) Introduction Problems of sex allocation have played an important role in theorizing about the factors which direct evolution (CHARNOV, 1978, 1979, 1982; STUBBLEFIELD, 1980), and they continue to do so. Indeed, sex allocation represents one of the most fruitful blends of theory and observation in all of evolutionary biology (LEIGH et al., 1985), although, no doubt, empirical data lag behind, considering the recent flourish of theories. This paper is a contribution to the collection of empirical data in the first place; we will address a sex-allocation problem in the form of decisions on the ratio of male to female offspring by a parasitic wasp. The theory of natural selection predicts that animals behave in such a way as to maximize reproductive success. This implies the ability to make the most profitable decisions at the appropriate times. Because trade-offs are always involved, optimization procedures have http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Behaviour Brill

Rates of Attack and Control of the Offspring Sex Ratio in the Parasitic Wasp Lariophagus Distinguendus in an Environment Where Host Quality Varies

Behaviour , Volume 100 (1-4): 1 – Jan 1, 1987

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Publisher
Brill
Copyright
© 1987 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0005-7959
eISSN
1568-539X
DOI
10.1163/156853987X00044
Publisher site
See Article on Publisher Site

Abstract

RATES OF ATTACK AND CONTROL OF THE OFFSPRING SEX RATIO IN THE PARASITIC WASP LARIOPHAGUS DISTINGUENDUS IN AN ENVIRONMENT WHERE HOST QUALITY VARIES by G. SIMBOLOTTI1), F. A. PUTTERS and J. VAN DEN ASSEM2) (Zoological Laboratory, Division Ethology, University of Leiden, P.O. Box 9516, 2300 RA Leiden, The Netherlands) (With 11 Figures) (Acc. 1-III-1986) Introduction Problems of sex allocation have played an important role in theorizing about the factors which direct evolution (CHARNOV, 1978, 1979, 1982; STUBBLEFIELD, 1980), and they continue to do so. Indeed, sex allocation represents one of the most fruitful blends of theory and observation in all of evolutionary biology (LEIGH et al., 1985), although, no doubt, empirical data lag behind, considering the recent flourish of theories. This paper is a contribution to the collection of empirical data in the first place; we will address a sex-allocation problem in the form of decisions on the ratio of male to female offspring by a parasitic wasp. The theory of natural selection predicts that animals behave in such a way as to maximize reproductive success. This implies the ability to make the most profitable decisions at the appropriate times. Because trade-offs are always involved, optimization procedures have

Journal

BehaviourBrill

Published: Jan 1, 1987

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