Abstract
Light trapping is a common method for monitoring and capturing insects such as the invasive agricultural pest, Halyomorpha halys (Stal) (Hemiptera: Pentatomidae). Efforts to develop more effective trapping methods for H. halys have led to research investigating the response of this insect to potentially exploitable stimuli. A behavioral study was conducted to examine the response of H. halys to various light stimuli. Seven intensities (0 [control: dark], 0.1, 10, 50, 75, 100, and 155 lx) of white light were tested. The most attractive intensity for H. halys was 75 lx for adult males and females. Nymphal instars 2 to 5, adult males, and adult females were also exposed to 75 lx white light. Adult males were significantly more attracted to the light than any other life stage. Adults were also exposed to green, orange, red, white, and yellow light. All colors tested were attractive to H. halys. White light was significantly more attractive than the other tested colors. The findings of this study suggest that the incorporation of a white light into H. halys traps may increase the number captured.
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