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Link to original content: https://pubmed.ncbi.nlm.nih.gov/12770041
Semiochemicals from ovaries of gravid females attract ovipositing female houseflies, Musca domestica - PubMed Skip to main page content
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. 2002 Oct;48(10):945-950.
doi: 10.1016/s0022-1910(02)00162-2.

Semiochemicals from ovaries of gravid females attract ovipositing female houseflies, Musca domestica

Yong Jiang  1 , Chao liang Lei, Chang ying Niu, Yu ling Fang, Chun Xiao, Zhong ning Zhang
Affiliations

Semiochemicals from ovaries of gravid females attract ovipositing female houseflies, Musca domestica

Yong Jiang et al. J Insect Physiol. 2002 Oct.

Abstract

Chemical signals originating from the ovaries of gravid females of Musca domestica (Diptera: Cyclorrhapha: Muscidae) attract ovipositing females to common egg-laying sites. Behavioral experiments indicated that females preferred to oviposit in fermented wheat bran containing ovaries from reproductively mature houseflies. Females preferred to oviposit in fermented wheat bran than wet wheat bran. This effect was additive with the attraction to housefly ovaries. Solvent extracts from housefly ovaries were attractive to gravid females. Extracts obtained with hexane were most attractive to gravid females for egg laying, and extracts obtained with ethyl acetate attracted more egg laying than extracts obtained by dichloromethane. Gas chromatography (GC) and gas chromatography coupled with mass spectrometry (GC-MS) analysis showed that tricosane and (Z)-9-tricosene were the main components of the hexane extracts. Both tricosane and (Z)-9-tricosene were shown to elicit dose-dependent aggregation of gravid females in oviposition bioassays, but high doses of either chemical were not attractive.

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