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1 February 2001 Effects of a Broad Spectrum and Biorational Insecticides on Parasitoids of the Nantucket Pine Tip Moth (Lepidoptera: Tortricidae)
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Abstract

We examined effects of aerial application of acephate (Orthene), Bacillus thuringiensis variety kurstaki Berliner (Foray), and tebufenozide (Mimic) on larval/pupal parasitoids of the Nantucket pine tip moth, Rhyacionia frustrana (Comstock), in the southwestern Georgia coastal plain. Parasitism of tip moths in acephate-treated plots was significantly lower than in untreated plots. Bacillus thuringiensis and tebufenozide showed no significant effects on parasitism. A tachinid, Lixophaga mediocris Aldrich, comprised a significantly greater proportion of emerging parasitoids in acephate-treated than in untreated control plots, whereas a chalcidid, Haltichella rhyacioniae Gahan, was less abundant in the acephate-treated plots. Acephate has a negative, but somewhat species-specific, impact on tip moth parasitism.

Kenneth W. McCravy, Mark J. Dalusky, and C. Wayne Berisford "Effects of a Broad Spectrum and Biorational Insecticides on Parasitoids of the Nantucket Pine Tip Moth (Lepidoptera: Tortricidae)," Journal of Economic Entomology 94(1), 112-115, (1 February 2001). https://doi.org/10.1603/0022-0493-94.1.112
Received: 24 February 2000; Accepted: 1 August 2000; Published: 1 February 2001
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