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Pheromone traps for the pest management of phycitid moths |
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| Authors: | F &#x;ifner J rek I Hrdý L Kalvoda |
| Institution: | * Research Institute for Food Industry, Prague, Czechoslovakia ? Institute of Entomology, Czechoslovak Academy of Sciences, Prague, Czechoslovakia ? Institute of Organic Chemistry and Biochemistry, Czechoslovak Academy of Sciences, Prague, Czechoslovakia |
| Abstract: | Pheromone traps of different designs, suitable for monitoring stored-product phycitids were: (1) a commercially made fly strip; (2) a bottle trap with insecticide or water for killing captured insects and (3) a cylinder trap with half-closed entrances. The optimum dose of (Z)-9, (E)-12-tetradecadienyl acetate was 1·0 mg via a rubber dispenser. Release and recapture experiments performed in empty rooms demonstrated that a fly-strip pheromone trap can consistently capture well over 50% of released males of Ephestia kuehniella, and that synthetic pheromone is a significantly more efficient bait than six live virgin females. A 2-year mass trapping trial performed in a chocolate factory demonstrated the applicability of the pheromone method for maintenance of an acceptably low population density of E. cautella suppressed initially by insecticides. |
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