Sex attractant pheromone of the pecan nut casebearer (Lepidoptera: Pyralidae)
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| Authors: | Millar, JG; Knudson, AE; McElfresh, JS; Gries, R; Gries, G; Davis, JH |
| Year: | 1996 |
| Journal: | Bioorganic & Medicinal Chemistry 4: 331-339 |
| Title: | Sex attractant pheromone of the pecan nut casebearer (Lepidoptera: Pyralidae) |
| Abstract: | A female-produced sex pheromone for the pecan nut casebearer, Acrobasis nuxvorella Neunzig, has been identified from pheromone gland extracts of calling female moths. The compound (9E,11Z)-hexadecadienal [(9E,11Z)-16:Ald] was identified by coupled GC-EAD and retention time matches with a synthetic standard on four capillary GC columns of different polarities. Corroboration of the identification of (9E, 11Z)-16:Ald by other analytical chemistry methods was not possible due to the minute quantities of pheromone extracted (<1 picogram/female). In field studies, gray rubber septa impregnated with 100 mu g of synthetic (9E,11Z)-16:Ald were attractive to male moths, whereas higher and lower doses were less attractive. The homologous (9E,11Z)-15:Ald was also slightly attractive, while the more highly conjugated analogues, (9E,11Z,13Z)- and (9E, 11Z,13E)-16:Ald, were not. Copyright (C) 1996 Elsevier Science Ltd |
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