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J Econ Entomol

Title:		Monitoring codling moth (Lepidoptera: Tortricidae) with passive interception traps in sex pheromone-treated apple orchards
Author(s):		Knight AL;
Address:		"USDA-ARS, Wapato, WA 98951, USA"
Journal Title:		J Econ Entomol
Year:		2000
Volume:		93
Issue:		6
Page Number:		1744 - 1751
DOI:		10.1603/0022-0493-93.6.1744
ISSN/ISBN:		0022-0493 (Print) 0022-0493 (Linking)
Abstract:		"Male and female codling moth, Cydia pomonella (L.), were monitored with passive interception traps (PI-traps) in apple orchards treated with sex pheromone dispensers. The proportion of mated females recaptured by PI-traps was significantly higher than the proportion released after the release of both sexes into a codling moth-infested orchard. However, no significant difference occurred between the proportion of mated females recaptured and released when only females were released into uninfested orchards. Replicated nine-tree apple plots situated either on the edge or in the center ofpheromone-treated apple orchards were monitored with PI-traps during first moth flight in 1995 and during both flights in 1996. Moths caught on PI-traps were predominately males. The first male moths were captured 7-10 d before females during the first flight in both years. Initial capture of virgin and mated females on PI-traps coincided in 1995. Mated females were captured 14 d after the first virgin females in 1996. The mean proportion of females that were mated ranged from 32 to 55% during the first flight and 85 to 92% during the second flight. Moth catch and fruit injury were significantly higher in the edge versus the center plots. The numbers of total and female moths caught with PI-traps were significantly correlated with fruit injury for each generation. The percentage of female moths caught on PI-traps that were mated was 32% lower and the mean oocyte load of all females was 42% higher in a pheromone-treated apple orchard than in the untreated crabapple grove monitored during May and June 1997"
Keywords:		Animals Female *Fruit *Insect Control/instrumentation/methods *Lepidoptera Male Population Density *Sex Attractants;
Notes:		"MedlineKnight, A L eng Research Support, Non-U.S. Gov't England 2001/01/06 J Econ Entomol. 2000 Dec; 93(6):1744-51. doi: 10.1603/0022-0493-93.6.1744"