期刊
JOURNAL OF INSECT SCIENCE
卷 9, 期 -, 页码 -出版社
OXFORD UNIV PRESS INC
DOI: 10.1673/031.009.0601
关键词
termite; mutual grooming behavior; entomopathogenic fungi; antennae; electroantennogram response; Beauveria brongniartii 782; Paecilomyces fumosoroseus K3; Metarhizium anisopliae 455
类别
Our previous research has shown that the termite, Coptotermes formosanus Shiraki (Isoptera: Rhinotermitidae), protects itself from entomopathogenic fungi by mutual grooming behavior. The termite removes and discards foreign organisms, such as fungal conidia, from the body surface of its nestmates by mutual grooming behavior. The role of the antennae in detecting the condia was examind here. Three entomopathogenic fungi were used, Beauveria brongniartii 782 (Saccardo) ( Hypocreales), Paecilomyces fumosoroseus K3 (Wize) ( Hyphomycetes), and Metarhizium anisopliae 455 Sorokin (Hyphomycetes). Termites with antennae removed conidia more efficiently than termites without antennae. There were differences between termites with and without antennae in selection of sites to be groomed on nestmates, in the length of grooming and in occurrence of grooming. Electroantennogram (EAG) responses were recorded from termite antennae and the waveforms were rather specific to the kinds of fungi used as odor sources. Termites were able to distinguish between the tested fungi in feeding tests. These results show that the antennae play important roles in the mutual grooming behavior of the termite.
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