DIVERGENCE IN MALE MATING TACTICS BETWEEN 2 POPULATIONS OF THE SOAPBERRY BUG .1. GUARDING VERSUS NONGUARDING

被引：39

作者：

CARROLL, SP

机构：

[1] Department of Biology, University of Utah, Salt Lake City

来源：

BEHAVIORAL ECOLOGY | 1993年 / 4卷 / 02期

基金：

美国国家科学基金会; 美国国家卫生研究院;

关键词：

GEOGRAPHIC VARIATION; MATING SYSTEMS; SEX RATIO; JADERA-HAEMATOLOMA; RHOPALIDAE; MATE GUARDING; SPERM COMPETITION; MATE SEARCH;

D O I：

10.1093/beheco/4.2.156

中图分类号：

B84 [心理学]; C [社会科学总论]; Q98 [人类学];

学科分类号：

03 ; 0303 ; 030303 ; 04 ; 0402 ;

摘要：

I compared male allocation to prolonged mate guarding versus not guarding between two populations of the soapberry bug (Jadera haematoloma) that differ in adult sex ratio: Oklahoma, USA (mean +/- SD adult sex ratio, 2.70 +/- 0.95 males per female), and Florida, USA (1.09 +/- 0.26 males per female). To predict the reproductive performance of each mating tactic in each population, I collected data on search time per mating, time required for guarding to be effective, sperm competition, female remating propensity, and female resistance to guarding. Search time alone differed significantly between the populations, being much greater in Oklahoma (estimated as 26.2 h per mate) than in Florida (estimated as 9.6 h per mate). For males in each region, these data were used to model the costs and benefits of guarding for different numbers of oviposition bouts versus not guarding. The reproductive rate of nonguarders in Oklahoma is exceeded by that of guarders who remain with a female for more than one oviposition bout, but in Florida, the reproductive rate of nonguarders is only exceeded by that of guarders who remain with a female for at least three ovipositions. Consistent with the model, Oklahoma males in field arenas guarded more frequently than did Florida males. However, nonguarding was common in both populations, and guarding durations were highly variable.

引用

页码：156 / 164

页数：9

共 38 条

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