Male larval nutrition affects adult reproductive success in wild European grapevine moth (Lobesia botrana)

被引:1
|
作者
Karen Muller
Denis Thiéry
Yannick Moret
Jérôme Moreau
机构
[1] Université de Bourgogne,Equipe Ecologie Evolutive, UMR CNRS 6282 Biogéosciences
[2] INRA UMR 1065 Santé et Agroécologie du Vignoble,Institut des Science de la Vigne et du Vin
[3] Université de Bordeaux,undefined
[4] INRA UMR 1065,undefined
[5] Save,undefined
[6] Bordeaux Sciences Agro,undefined
来源
Behavioral Ecology and Sociobiology | 2015年 / 69卷
关键词
Male and female reproductive output; Host plant; Larval nutrition; Precopulatory behaviors; Spermatophore;
D O I
暂无
中图分类号
学科分类号
摘要
In Lepidoptera, males transfer a spermatophore to females containing sperm and accessory gland secretions that are reinvested into female reproduction, providing a fitness gain to females. One of the key factors shaping male spermatophore size is certainly the resources that males have acquired as larvae. In this study, we investigate how male larval food contributes to shaping the spermatophore quantity and quality and how it affects female reproduction in the European grapevine moth (Lobesia botrana). Specifically, we examined the effect of male origin (cultivar or geographical site) on their mating success by scoring individual motivation to mate, male spermatophore size and amount of sperm, and finally female fecundity and fertility. A strong effect of larval cultivar was found on spermatophore size and amount of fertilizing sperm produced by males. These male characteristics had important repercussions on female reproductive output. Females mating with males producing the biggest spermatophore and more fertilizing sperm were the most fecund and fertile. Finally, females were able to recognize males of different quality during the precopulatory phase and changed their mating behavior accordingly. The present results suggest that male nutritional quality could have an important implication for population dynamics.
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页码:39 / 47
页数:8
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