HOST-SEARCHING BEHAVIOR OF VENTURIA-CANESCENS (GRAV) (HYMENOPTERA, ICHNEUMONIDAE) - SUPERPARASITISM

被引：11

作者：

HUGHES, JP ^{[1
]}

HARVEY, IF ^{[1
]}

HUBBARD, SF ^{[1
]}

机构：

[1] UNIV DUNDEE,DEPT BIOL SCI,DUNDEE DD1 4HN,SCOTLAND

来源：

JOURNAL OF INSECT BEHAVIOR | 1994年 / 7卷 / 04期

关键词：

SUPERPARASITISM; EGG LOAD; HOST PARASITOID SYSTEM; FORAGING; VENTURIA-CANESCENS;

D O I：

10.1007/BF02025443

中图分类号：

Q96 [昆虫学];

学科分类号：

摘要：

The foraging behavior of Venturia canescens, a solitary endoparasitoid of lepidopteran larvae, was investigated in the laboratory. Female Venturia canescens with a larger number of mature eggs to lay were found to have higher levels of superparasitism (measured as numbers of eggs laid per parasitized host). Increased parasitoid density was found to result in reduced levels of superparasitism by host-deprived (i.e., undepleted) wasps. Females which had been allowed access to hosts before the experiment (depleted wasps) laid fewer eggs per parasitized host than undepleted wasps, although there was no significant difference in the levels of superparasitism among the depletion periods of 1, 2, 5, and 7 h. It was also found that an egg which was encountered less than 15 min after oviposition was much less likely to be avoided than one which was encountered after more than 15 min had elapsed.

引用

页码：455 / 464

页数：10

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