期刊
JOURNAL OF INSECT PHYSIOLOGY
卷 51, 期 12, 页码 1384-1389出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jinsphys.2005.09.001
关键词
cuticular hydrocarbons; SPME; GC-EAD; Y-olfactometer; Periplaneta americana
Despite the importance of cuticular hydrocarbons (CHs) in insect chemical communication, direct proof that they ire delected and recognized by insects by contact or by olfactory receptors are rare. In Periplaneta americana, CHs induce aggregation The aim of our study was to investigate how CHs are detected by P. americana antennae. Using solid phase microextraction and gas chromatography, the three main CHs of the species profile were identified in the volatiles entitled by these insects. Gas chromatography coupled to electroantennography recordings demonstrated that the antennae responded to these three CHs. Furthermore. CHs had an attraction effect in Y-olfactometer bioassays when presented at high concentrations, As CHs can be perceived by A americana. at least from a short distance, they could play it role in attracting conspecifics during aggregation processes. in addition to inducing aggregation when direct contact is possible. (c) 2005 Elsevier Ltd. All rights reserved.
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