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1 January 2013 Factors Affecting Captures of Brown Marmorated Stink Bug, Halyomorpha halys (Hemiptera: Pentatomidae), in Baited Pyramid Traps
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Trapping experiments targeting brown marmorated stink bug, Halyomorpha halys (Stål), addressed the effects of: (1) a modification to the trap container of a commercial trap, (2) the age of methyl (2E,4E,6Z)-decatrienoate lures, and (3) the age of dichlorvos-impregnated kill strips on bug captures. In the trap modification study, ventilation holes in the containers atop standard, commercial AgBio™ traps were modified to resemble a USDA prototype trap. Captures were compared among the standard traps, modified commercial traps, and prototype traps. Halyomorpha halys captures were significantly greater in the prototype trap than in standard commercial traps, whereas captures in modified commercial traps were intermediate between but not significantly different from AgBio or prototype traps. Traps baited with kill strips that were fresh or that had been field-aged for 1, 2, 3 or 4 wk showed no significant differences in the total number of H. halys captured over a 15-d trapping interval, although the percentage of dead bugs was significantly greater in traps containing fresh kill strips than in those with 3- or 4-wk-old kill strips. In the aged lure experiment, captures were not significantly different among traps baited with fresh, 1- and 2-wk-old lures or among those baited with 2-, 3- or 4-wk old lures or unbaited. Most (64.8%) bugs were captured during the first 3-d sample interval, during which traps with fresh lures captured more H. halys than those with each aged lure treatment. Weekly gravimetric measurements to determine the release of methyl (2E,4E,6Z)-decatrienoate from lures over 4 wk showed a sharp decrease in lure weight during the first 3-d interval at 20 and 25°C.

Shimat V. Joseph, J. Christopher Bergh, Starker E. Wright, and Tracy C. Leskey "Factors Affecting Captures of Brown Marmorated Stink Bug, Halyomorpha halys (Hemiptera: Pentatomidae), in Baited Pyramid Traps," Journal of Entomological Science 48(1), 43-51, (1 January 2013).
Received: 27 March 2012; Accepted: 1 May 2012; Published: 1 January 2013

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