ISSN 1003-8280 CN 10-1522/R 中国疾病预防控制中心 主办
Chinese Journal of Vector Biology and Control >
Component analysis of volatile attractants from Blattella germanica
Received date: 2014-01-16
Online published: 2014-06-20
Objective To determine the chemical property and attractive activity of volatiles from Blattella germanica. Methods Volatiles from B. germanica were collected by headspace SPME method in purge flow. GC?MS was used to identify the main components in SPME extracts. GC?EAD was used to identify electrophysiologically active components. Active components were used for trapping test. Results Analysis of the extracts after SPME revealed that there were at least 19 components in the volatiles, with 13 volatile C2-C5 carboxylic acids and alcohols as main components. GC?EAD test with standard chemicals showed that only 6 volatile carboxylic acids elicited electroantennogram responses. Field trapping test showed that the mixture of 6 volatile carboxylic acids were effective in attracting B. germanica. Conclusion Attractive volatiles emitted by B. germanica play a role in colony aggregation.
Key words： Blattella germanica; Volatile; Electroantennogram response
QIU Wen-yi, WEN Ping, WU Hai-lei4, HE De-yu, GUO Feng-qi, MO Jian-chu, QIAN Jin . Component analysis of volatile attractants from Blattella germanica[J]. Chinese Journal of Vector Biology and Control, 2014 , 25(3) : 235 -238 . DOI: 10.11853/j.issn.1003.4692.2014.03.011
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