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Sex pheromone identified after Solid Phase Microextraction from tergal glands of female alates in Cornitermes bequaerti (Isoptera, Nasutitermitinae)

Sex pheromone identified after Solid Phase Microextraction from tergal glands of female alates in... For the first time, a termite sex pheromone secreted by tergal glands has been isolated and identified. In the mandibulate nasute termite Cornitermes bequaerti, pairing of swarming imagoes is mediated by a sex pheromone secreted by females from their tergal glands. These well developed sexual glands located in front of tergites 8, 9, 10 are essentially composed of class 1 and 2 cells, but also of some glandular units of class 3 cells. The major volatile compound of tergal secretion was isolated by solid phase microextraction (SPME) and identified by GC-MS as (3Z, 6Z, 8E)-dodecatrien-1-ol. Sex attraction bioassays with synthetic (3Z, 6Z, 8E)-dodecatrien-1-ol showed that this alcohol was the main component of the sex pheromone in C.bequaerti. The cellular origin and the key role of (3Z, 6Z, 8E)-dodecatrien-1-ol in the biology of termites are discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Insectes Sociaux Springer Journals

Sex pheromone identified after Solid Phase Microextraction from tergal glands of female alates in Cornitermes bequaerti (Isoptera, Nasutitermitinae)

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References (29)

Publisher
Springer Journals
Copyright
Copyright © 2002 by Birkhäuser Verlag,
Subject
Life Sciences; Entomology
ISSN
0020-1812
eISSN
1420-9098
DOI
10.1007/s00040-002-8303-1
Publisher site
See Article on Publisher Site

Abstract

For the first time, a termite sex pheromone secreted by tergal glands has been isolated and identified. In the mandibulate nasute termite Cornitermes bequaerti, pairing of swarming imagoes is mediated by a sex pheromone secreted by females from their tergal glands. These well developed sexual glands located in front of tergites 8, 9, 10 are essentially composed of class 1 and 2 cells, but also of some glandular units of class 3 cells. The major volatile compound of tergal secretion was isolated by solid phase microextraction (SPME) and identified by GC-MS as (3Z, 6Z, 8E)-dodecatrien-1-ol. Sex attraction bioassays with synthetic (3Z, 6Z, 8E)-dodecatrien-1-ol showed that this alcohol was the main component of the sex pheromone in C.bequaerti. The cellular origin and the key role of (3Z, 6Z, 8E)-dodecatrien-1-ol in the biology of termites are discussed.

Journal

Insectes SociauxSpringer Journals

Published: Aug 1, 2002

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