Olfactory orientation of the seven-spot ladybird beetle, Coccinella septempunctata (Coleoptera: Coccinellidae):: Attraction of adults to plants and conspecific females

被引:37
|
作者
Schaller, M [1 ]
Nentwig, W [1 ]
机构
[1] Univ Bern, Inst Zool, CH-3012 Bern, Switzerland
关键词
Coccinellidae; Coccinella septempunctata; olfaction; attractant; orientation; plant-predator interaction; olfactometer; Berberis vulgaris; Tripleurospermum inodoratum;
D O I
10.14411/eje.2000.029
中图分类号
Q96 [昆虫学];
学科分类号
摘要
The olfactory orientation of the aphidophagous ladybird Coccinella septempunctata L. was assessed in a Y-tube olfactometer and a choice arena. The response of the predator to 22 plants, aphid prey and conspecifics was tested. The ladybird was attracted to the odour of chopped Berberis vulgaris L. leaves, and of Tripleurospermum inodoratum (L.) Sch.-Bip. flowerheads, and males were attracted to females. Methanol extracts of B. vulgaris leaves were also attractive.
引用
收藏
页码:155 / 159
页数:5
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