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Bull Entomol Res

Title:		Monitoring Tribolium castaneum (Herbst) in pilot-scale warehouses treated with beta-cyfluthrin: are residual insecticides and trapping compatible?
Author(s):		Toews MD; Arthur FH; Campbell JF;
Address:		"USDA-ARS Grain Marketing and Production Research Center, 1515 College Ave., Manhattan, KS 66502-2736, USA. mtoews@uga.edu"
Journal Title:		Bull Entomol Res
Year:		2009
Volume:		20081024
Issue:		2
Page Number:		121 - 129
DOI:		10.1017/S0007485308006172
ISSN/ISBN:		1475-2670 (Electronic) 0007-4853 (Linking)
Abstract:		"Integrated pest management strategies for cereal processing facilities often include both pheromone-baited pitfall traps and crack and crevice applications of a residual insecticide such as the pyrethroid cyfluthrin. In replicated pilot-scale warehouses, a 15-week-long experiment was conducted comparing population trends suggested by insect captures in pheromone-baited traps to direct estimates obtained by sampling the food patches in untreated and cyfluthrin-treated warehouses. Warehouses were treated, provisioned with food patches and then infested with all life stages of Tribolium castaneum (Herbst). Food patches, both those initially infested and additional uninfested, were surrounded by cyfluthrin bands to evaluate if insects would cross the bands. Results show that insect captures correlated with population trends determined by direct product samples in the untreated warehouses, but not the cyfluthrin-treated warehouses. However, dead insects recovered from the floor correlated with the insect densities observed with direct samples in the cyfluthrin-treated warehouses. Initially, uninfested food patches were exploited immediately and after six weeks harbored similar infestation densities to the initially infested food patches. These data show that pest management professionals relying on insect captures in pheromone-baited traps in cyfluthrin-treated structures could be deceived into believing that a residual insecticide application was suppressing population growth, when the population was actually increasing at the same rate as an untreated population"
Keywords:		Animals Food Handling/methods Insect Control/methods *Insecticides *Nitriles Pest Control Population Density Population Growth *Pyrethrins *Tribolium;
Notes:		"MedlineToews, M D Arthur, F H Campbell, J F eng Research Support, U.S. Gov't, Non-P.H.S. England 2008/10/25 Bull Entomol Res. 2009 Apr; 99(2):121-9. doi: 10.1017/S0007485308006172. Epub 2008 Oct 24"