Attraction of Bemisa tabaci biotype B (Gennadius), Trialeurodes vaporariorum (Westwood), and Trialeurodes abutilonea (Haldeman) whiteflies and Eretmocerus eremicus (Rose and Zolnerowich) and Encarsia formosa (Gahan) whitefly parasitoids to alternating or direct electrical current powered light sources was studied in a dark room. Fewer adults of all whitefly species were caught on Tanglefoot coated transparent plastic cards placed between a whitefly release chamber and the direct current powered white fluorescent lights compared with alternating current powered fluorescent lights. Differences in catches of whitefly parasitoids in response to lights powered by alternating or direct current were not significantly different.
Species 1: Homoptera Aleyrodidae Bemisia tabaci (Sweetpotato whitefly biotype B, Silverleaf whitefly)
Species 2: Hymenoptera Aphelinidae Eretmocerus eremicus
Species 3: Homoptera Aleyrodidae Trialeurodes vaporariorum (greenhouse whitefly)
Keywords: Light response, Ripple effect
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