Sexual communication in the termite Prorhinotermes simplex (Isoptera, Rhinotermitidae) mediated by a pheromone from female tergal glands |
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Authors: | R Hanus A Luxová J ?obotník B Kalinová P Jiro? J K?e?ek T Bourguignon C Bordereau |
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Institution: | R. Hanus, A. Luxová, J. ?obotník, B. Kalinová, P. Jiro?, J. K?e?ek, T. Bourguignon and C. Bordereau |
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Abstract: | We studied the post-flight behavior and sex attraction in imagoes of the termite Prorhinotermes simplex (Rhinotermitidae, Prorhinotermitinae). Pairing is mediated by the secretion from tergal glands, exposed by females in a calling
posture and highly attractive to males. Analysis of extracts of these glands by means of gas chromatography with electroantennographic
detection indicated a chromatographic area corresponding to an intense physiological response of males. The retention characteristics
of this area proved to be identical with those of (3Z,6Z,8E)-dodeca-3,6,8-trien-1-ol. Electroantennographic and behavioral assays revealed that units of picograms of the compound represent
a stimulus qualitatively and quantitatively equivalent to one female tergal gland. Thus, we hypothesize that (3Z,6Z,8E)-dodeca-3,6,8-trien-1-ol is a major component of the female sex pheromone in P. simplex. |
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Keywords: | Sex pheromone Prorhinotermes GC-EAD Tergal glands Dodecatrienol |
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