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Field tests of syntheticManduca sexta sex pheromone (1994)

Tumlinson, James H. ; Mitchell, Everett R. ; Doolittle, Robert E. ; [et al.]

Springer

Journal of chemical ecology 20 (1994), S. 579-591

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ISSN: 1573-1561

Keywords: Aldehydes ; formulation ; 10,12-hexadecadienal ; 10,12,14-hexadecatrienal ; moth ; Manduca sexta ; Lepidoptera ; Sphingidae ; tobacco hornworm ; trapping

Source: Springer Online Journal Archives 1860-2000

Topics: Biology , Chemistry and Pharmacology

Notes: Abstract In field experiments traps were baited with live females or with a two-, four-, or eight-component blend of the 16-carbon aldehydes previously identified as components of the sex pheromone emitted by femaleManduca sexta moths. The blends were formulated on rubber septa. Traps baited with a blend of all eight aldehydes captured moreM. sexta males than any other treatment. Septa loaded with 600 μg of the eight-component blend were attractive to males for about seven days in the field. Septa loaded with the eight-component blend and stored in a refrigerator at 4°C for a year released the conjugated diene and triene aldehydes at the same rate as freshly prepared septa and were equally attractive in the field.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF02059599

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Identification of a pheromone blend attractive to Manduca sexta (L.) males in a wind tunnel (1989)

Tumlinson, James H. ; Brennan, Margaret M. ; Doolittle, Robert E. ; [et al.]

New York, NY [u.a.] : Wiley-Blackwell

Archives of Insect Biochemistry and Physiology 10 (1989), S. 255-271

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ISSN: 0739-4462

Keywords: insect behavior ; aldehydes ; 10 ; 12 ; 14-hexadecatrienal ; tobacco hornworm ; Sphingidae ; Chemistry ; Food Science, Agricultural, Medicinal and Pharmaceutical Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology

Notes: Analyses of solvent rinses of the external surfaces of pheromone glands excised from calling female tobacco hornworm moths, Manduca sexta (L.), revealed the presence of the following compounds: (Z)-9-hexadecenal, (Z)-11-hexadecenal, (E)-11-hexadecenal, hexadecanal, (E,Z)-10,12-hexadecadienal, (E,E)-10,12-hexadecadienal, (E,E,Z)-10,12,14-hexadecatrienal, (E,E,E,)-10,12,14-hexadecatrienal, (Z)-11-octadecenal, (Z)-13-octadecenal, octadecanal, and (Z,Z)-11,13-octadecadienal. The two trienals were identified by mass and PMR spectral analyses and by ozonolyses, and their structures were confirmed by synthesis. In a wind tunnel male tobacco hornworm moths exhibit the same behaviors in response to a synthetic blend of all of the components, the gland rinse, or a calling female. Both (E,Z)-10,12-hexadecadienal and (E,E,Z)-10,12,14-hexadecatrienal are required to stimulate males to complete the characteristic behavioral sequence: anemotaxis, approaching and touching the pheromone source, and bending their abdomens in apparent copulatory attempts. The other components of the blend may play more subtle roles.

Additional Material: 6 Ill.