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1 April 2005 Male Oriental Fruit Moth Response to a Combined Pheromone-Based Attracticide Formulation Targeting Both Oriental Fruit Moth and Codling Moth (Lepidoptera: Tortricidae)
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Abstract

Combined attracticide formulations targeting Oriental fruit moth, Grapholita molesta (Busck), and codling moth, Cydia pomonella (L.), were tested in a field trapping experiment. Capture of male codling moths in traps baited with the combined formulation was reduced compared with traps baited with the codling moth formulation alone, whereas capture of male Oriental fruit moth was increased compared with traps baited with the Oriental fruit moth formulation alone. Subsequent wind tunnel experiments showed that a single locus of the mixed attracticide formulation or close parallel presentation of the two formulations enhanced source contact by male Oriental fruit moths but did not influence earlier behaviors. However, the two formulations presented in a serial arrangement to Oriental fruit moth males in the wind tunnel resulted in enhanced lock-on, upwind flight, and source contact behaviors. In addition, male Oriental fruit moths remained on mixed pheromone droplets of the paste matrix longer than on droplets of the Oriental fruit moth formulation alone. The increased time spent on the mixed droplet was correlated with a more rapid poisoning and a greater proportion of poisoned males compared with males exposed to the Oriental fruit moth attracticide alone. These results demonstrate that a combined attracticide formulation will have different effects on each of the targeted species. It is anticipated that, due to decreased attractiveness, a combined formulation would be less effective against the codling moth. However, a mixed formulation, due to increased attractiveness and toxicity, could be more effective against the Oriental fruit moth under field conditions.

Maya L. Evenden and John R. McClaughlin "Male Oriental Fruit Moth Response to a Combined Pheromone-Based Attracticide Formulation Targeting Both Oriental Fruit Moth and Codling Moth (Lepidoptera: Tortricidae)," Journal of Economic Entomology 98(2), 317-325, (1 April 2005). https://doi.org/10.1603/0022-0493-98.2.317
Received: 2 November 2004; Accepted: 1 November 2004; Published: 1 April 2005
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