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Journal Article

Sex pheromone of tomato pest Scrobipalpuloides absoluta (Lepidoptera: Gelechiidae)

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Svatoš, A., Attygalle, A. B., Jham, G. N., Frighetto, R. T. S., Vilela, E. F., Saman, D., et al. (1996). Sex pheromone of tomato pest Scrobipalpuloides absoluta (Lepidoptera: Gelechiidae). Journal of Chemical Ecology, 22(4), 787-800. doi:10.1007/BF02033586.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0015-0F29-8
The sex attractant of Scrobipalpuloides absoluta females is a 90:10 mixture of (3E,8Z,11Z)-3,8,11-tetradecatrien-1-yl acetate and (3E,8Z)-3,8-tetradecadien-1-yl acetate. Tetradecadienyl acetates bearing 8Z,11Z; 3E,8Z; and 3E,11Z double bonds were synthesized by stereospecific procedures; the mass spectral and gas chromatographic properties of the 3E,8Z isomer were found to be congruent with those of the tetradecadienyl acetate from S. absoluta. In wind tunnel bioassays, a 10:1 mixture of synthetic (3E,8Z,11Z)3,8,11-tetradecatrien-1-yl acetate and (3E,8Z)-3,8-tetradecadien-1-yl acetate was highly attractive to S. absoluta males. Interestingly, the presence of (8Z, 11Z)-8,11-tetradecadien-1-yl acetate (10%) inhibited the response to (3E,8Z,11Z)-3,8,11-tetradecatrien-1-yl acetate completely.