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Summary: vol. 151, no. 1 the american naturalist january 1998
Sexual Conflict and the Energetic Costs of Mating
and Mate Choice in Water Striders
Paul J. Watson,1,
* Go
¨
ran Arnqvist,2,
and Robert R. Stallmann1,
1. Department of Biology, University of New Mexico, assessing the benefits of alternative male and female mat-
Albuquerque, New Mexico 87131-1091; ing behaviors, there is good reason to place more effort
2. Department of Animal Ecology, University of Umea
°
, S-901 87 into measuring the costs associated with these behavioral
Umea
°
, Sweden
options. The costs and benefits involved in various re-
productive decisions are typically asymmetric for malesSubmitted December 9, 1996; Accepted July 11, 1997
and females, leading to sexual conflict. Current mating
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