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1 February 2014 Evaluation of Insecticides for the Control of Linepithema Micans (Hymenoptera: Formicidae)
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Abstract

Linepithema micans (Forel) (Hymenoptera: Formicidae) is the main ant species responsible for the spreading of Eurhizococcus brasiliensis (Wille) (Hemiptera: Margarodidae), a soil scale that damages grapevine plants in southern Brazil. The effect of contact and ingestion of insecticides on the control of L. micans was evaluated in a greenhouse using grapevines (Vitis spp.) infested by L. micans. The insecticides thiamethoxam (250, 187.5, and 125 g/ha), fipronil (4, 5, and 50 ml/ha), and imidacloprid (650 g/ha) were sprayed on the ground, whereas toxic baits containing boric acid (0.5, 1.0, and 1.2%), pyriproxyfen (0.3 and 0.5%), and hydramethylnon (0.5%) were evaluated in different formulations. Hydramethylnon (toxic bait) and thiamethoxam (chemical barrier) were the most efficient active ingredients for the control of L. micans.

© 2014 Entomological Society of America
Aline Nondillo, Cindy Correa Chaves, Flávio Bello Fialho, Odair Correa Bueno, and Marcos Botton "Evaluation of Insecticides for the Control of Linepithema Micans (Hymenoptera: Formicidae)," Journal of Economic Entomology 107(1), 215-222, (1 February 2014). https://doi.org/10.1603/EC13255
Received: 28 May 2013; Accepted: 23 October 2013; Published: 1 February 2014
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