2-Methylthiazolidine and 4-ethylguaiacol,male sex pheromone components of the cockroachNauphoeta cinerea (dictyoptera,blaberidae): A reinvestigation |
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Authors: | Daniel Sirugue Odile Bonnard Jean-Luc Le Quere Jean-Pierre Farine Rémy Brossut |
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Affiliation: | (1) Zoologie UA CNRS 674, Université de Bourgogne, 6 Bd. Gabriel, 21000 Dijon, France;(2) Laboratoire de Recherches sur les Arômes, INRA, 17 rue de Sully, 21000 Dijon, France |
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Abstract: | InNauphoeta cinerea, male calling behavior is associated with sex pheromone release by the sternal glands. The male pheromone that attracts females from a distance is a mixture of 2-methylthiazolidine and 4-ethylguaiacol. It is active at very low concentrations, 0.05 and 0.01 ng, respectively. Two other compounds, 3-hydroxy-2-butanone and 2-methyl-2thiazoline, act at close range, keeping the female in the vicinity of the male. The function of the volatile pheromone and those of previously described contact pheromones are discussed in regard to their possible involvement in the establishment of male dominant-subordinate relationships. |
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Keywords: | Cockroach Dictyoptera Blattaria Nauphoeta 2-methylthiazolidine 4-ethylguaiacol male sex pheromone calling behavior |
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