Abstract
Three major components, ethyi-(E)-3-octenoate, geranyl acetate, and (E,E)-α-farnesene, emitted as volatiles by laboratory-reared and wild male medflies were collected and analyzed qualitatively and quantitatively. Peak emission of these compounds occurred during the third to fifth hours of the photophase and differences were observed in the ratios of the three components emitted by male laboratory-reared and wild flies. These three compounds were synthesized, and a method was developed to formulate a synthetic blend that released the compounds in a ratio similar to that emitted by wild male medflies. Attractiveness of the blend to female medflies was demonstrated under field conditions by comparing trap catches. Black spherical traps, baited with the synthetic blend to release 1.6 male equivalents, caught significantly more females than blank traps and traps from which the blend released was 0.3, 3.2 or 6.4 male equivalents.
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Heath, R.R., Landolt, P.J., Tumlinson, J.H. et al. Analysis, synthesis, formulation, and field testing of three major components of male mediterranean fruit fly pheromone. J Chem Ecol 17, 1925–1940 (1991). https://doi.org/10.1007/BF00993739
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DOI: https://doi.org/10.1007/BF00993739