BEHAVIOR OF SPALANGIA-CAMERONI MALES AND SEX-RATIO THEORY

被引：27

作者：

MYINT, WW ^{[1
]}

WALTER, GH ^{[1
]}

机构：

[1] UNIV QUEENSLAND, DEPT ENTOMOL, ST LUCIA, QLD 4072, AUSTRALIA

来源：

OIKOS | 1990年 / 59卷 / 02期

关键词：

D O I：

10.2307/3545531

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Spalangia cameroni is a solitary parasitoid of house fly pupae which produces female-biased sex ratios. Sex ratio theory suggests that levels of inbreeding in the species may be great enough to have provided the selection pressures for the evolution of female-biased sex ratios and for their maintenance in the population. Males, however, develop faster than females and they leave the natal site within a few hours of emergence. That males may mate away from the natal site is also suggested by their behaviour being influenced by odours from hosts suitable for parasitization and by odours from components of the hosts' environment. Hosts containing S. cameroni females on the point of emergence also influence male behaviour. -from Authors

引用

页码：163 / 174

页数：12

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