Timing Treatments for Apple Maggot (Diptera: Tephritidae) Control Using Sticky Sphere Traps Baited with Synthetic Apple Volatiles

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Weak relationships between larval damage and adult catch were observed for apple maggot, Rhagoletis pomonella (Walsh), in untreated dwarf, semidwarf, and standard apple trees, using red sticky sphere traps baited with synthetic apple volatiles. Traps were sensitive in detecting adults. Fruit among the canopy quadrants were uniformly infested, which indicated that the baited traps were not causing an aggregation of the damage within the canopy. Studies using the baited traps for timing apple maggot control treatments in commercial orchards demonstrated that commercially acceptable levels of control could be obtained using a catch threshold of two adults per trap. Adult catches were not accumulated for the threshold until 12 d after a treatment. With this threshold, 46% fewer treatments (1.9 fewer applications) were applied than in a calendar-based program. Results indicated that a threshold as high as five adults per trap might be used.

Document Type: Research Article

Publication date: October 1, 1987

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  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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