BEHAVIORAL AND MORPHOLOGICAL ADAPTATIONS OF THE COCCINELLID, PLATYNASPIS-LUTEORUBRA FOR EXPLOITING ANT-ATTENDED RESOURCES (COLEOPTERA, COCCINELLIDAE)

被引：60
作者：
VOLKL, W
机构：
[1] Department of Animal Ecology, University of Bayreuth, Bayreuth
来源：
JOURNAL OF INSECT BEHAVIOR | 1995年 / 8卷 / 05期
关键词：
COCCINELLIDAE; ANTS; ANT-COCCINELLID INTERACTIONS; FORAGING SUCCESS; ADULT FITNESS; PARASITISM;
D O I：
10.1007/BF01997236
中图分类号：
Q96 [昆虫学];
学科分类号：
摘要：
Larvae of the coccinellid Platynaspis luteorubra were found significantly more often in ant-attended aphid colonies than in unattended colonies, The larva of P. luteorubra are protected against detection by the ant Lasius niger by their unusual shape, by inconspicuous movements, and presumably by chemical camouflage. Pupae were attacked by L. niger but protected by their dense hair cover. Adults were also attacked and responded either by fleeing or by pressing their body tightly against the plant surface. Fourth-instar larvae foraging ill ant-attended aphid colonies had a higher success rate in capturing large prey items and benefitted from this by higher adult weights. Larval parasitism was higher in individuals feeding in unattended than in ant-attended colonies.
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页码：653 / 670
页数：18
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