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(3E,8Z,11Z)-3,8,11-Tetradecatrienyl acetate, major sex pheromone component of the tomato pest Scrobipalpuloides absoluta (Lepidoptera: Gelechiidae) by Athula B. Attygalle; Gulab N. Jham; Aleš Svatoš; Rosa T.S. Frighetto; Fernando A. Ferrara; Evaldo F. Vilela; Manoel A. Uchôa-Fernandes; Jerrold Meinwald is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is (3E,8Z,11Z)-3,8,11-Tetradecatrienyl acetate, major sex pheromone component of the tomato pest Scrobipalpuloides absoluta (Lepidoptera: Gelechiidae) about?

The major sex attractant emitted by Scrobipalpuloides absoluta females is shown to be (3E,8Z,11Z)-3,8,11-tetradecatrien-1-yl acetate by a novel strategy involving the random reduction of double bonds, followed by methylthiolation of the reduced products. Each female sex gland contains ca. 1-5 ng of this pheromone. This triene ester, synthesized by a stereospecific procedure, shows spectral and gas chromatographic properties identical to those of the natural substance. In field tests and wind tunnel bioassays, the synthetic ester was found to be highly attractive to conspecific males. The male response to this pheromone, however, is restricted to the same early-morning time window during which females exhibit calling behavior.

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Author

Athula B. Attygalle; Gulab N. Jham; Aleš Svatoš; Rosa T.S. Frighetto; Fernando A. Ferrara; Evaldo F. Vilela; Manoel A. Uchôa-Fernandes; Jerrold Meinwald

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0968-0896)

Published

1996

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)