Sex Pheromone of the Pine Sawfly Macrodiprion nemoralis (Hymenoptera : Diprionidae): Identification of (2S,3R,7R,9S)-3,7,9-Trimethyl-2-tridecanol as the Precursor for the Active Pheromone Acetate

Sex Pheromone of the Pine Sawfly Macrodiprion nemoralis (Hymenoptera : Diprionidae) : Identification of (2S,3R,7R,9S)-3,7,9-Trimethyl-2-tridecanol as the Precursor for the Active Pheromone Acetate

The main component of the sex pheromone precursor in females of Macrodiprion nemoralis was identified as a threo-3,7,9-trimethyl-2-tridecanol isomer, approximately 800 pg per female, by gas chromatography-mass spectrometry. Comparison of mass spectrometric ion chromatograms showed that the natural compound in the female extract has the same retention time and mass spectrum as one of the two synthetic threo peaks. The acetate of the synthetic 16-isomer mixture caught a large number of males in the field, confirming the structure of the active pheromone. Comparison of gas chromatograms of the natural female extract with the eight synthetic threo stereoisomers showed that the pheromone is the (2S,3R,7R,9S)-stereoisomer of 3,7,9-trimethyl-2-tridecyl acetate.

Bergström, G.University of Gothenburg (author)
Sierpinski, A.Forest Research Institute, Warsaw (author)
Anderbrant, OlleLund University,Lunds universitet,Funktionell zoologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Functional zoology,Department of Biology,Faculty of Science(Swepub:lu)ekol-oan (author)
Högberg, Hans-ErikMid Sweden University,Mittuniversitetet,Institutionen för naturvetenskap (-2008)(Swepub:miun)hansho (author)
Hedenström, ErikMid Sweden University,Mittuniversitetet,Institutionen för naturvetenskap (-2008)(Swepub:miun)erihed (author)
University of GothenburgForest Research Institute, Warsaw (creator_code:org_t)

In:Die Naturwissenschaften: Springer Science and Business Media LLC87:1, s. 24-290028-10421432-1904

By the author/editor: Wassgren, A.-B.; Bergström, G.; Sierpinski, A.; Anderbrant, Olle; Högberg, Hans-Er ...; Hedenström, Erik

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