期刊
JOURNAL OF CHEMICAL ECOLOGY
卷 28, 期 3, 页码 501-513出版社
KLUWER ACADEMIC/PLENUM PUBL
DOI: 10.1023/A:1014583826875
关键词
Scarabaeinae; Kheper nigroaeneus; dung beetle; sex attractant; sex pheromone; insect semiochemicals; EAD; electroantennographic detection
Using gas chromatography with flame ionization detection (FID) and electroantennographic detection (EAD) in parallel, and employing chiral and achiral capillary columns, three constituents of the abdominal sex-attracting secretion of male Kheper nigroaeneus dung beetles were found to elicit reproducible EAD responses in male and female K. nigroaeneus antennae. One of these constituents is present in the secretion in such a small quantity that it could not be detected by FID, and it was not identified. The other constituents were identified as 3-methylindole (skatole) and (R)-(+)-3-methylheptanoic acid.
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