Sex pheromone of the potato tuberworm moth, phthorimaea operculella: isolation, identification and field evaluation
1976
PERSOONS, C.J. | VOERMAN, S. | VERWIEL, P.E.J. | RITTER, F.J. | NOOYEN, W.J. | MINKS, A.K.
The sex pheromone of the potato tuberworm moth, Phthorimaea operculella (Zell.) has been identified as a mixture of trans-4, cis-7-tridecadienyl acetate and trans-4, cis-1, cis-10 tridecatrienyl acetate. The identifications have been carried out by means of electroantennography, mass, infrared and n.m.r. spectroscopy. The identifications have been confirmed by synthesis. Both compounds occur in the insects in about equal amounts. The individual compounds are attractive to male moths in pheromone traps. The triolefinic ester was found to be much more attractive than the diolefinic ester. However, mixtures of both compounds in the ranges of 4:1 tot 1:4 are much more attractive than the individual compounds or traps baited with two virgin female moths.
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