Wednesday, 20 November 2002

This presentation is part of : Display Presentations, Subsection Fb. Urban Entomology

Precision application methods affect efficacy of insecticides against ant pests

Linda M. Hooper-Bi, Jessica Rosson, Heather Story-Whitney, and Stacy Clayton. Louisiana State University, Department of Entomology, 404 Life Science Building, Baton Rouge, LA

In Louisiana, there are 116 chemicals registered for use against red imported fire ants, Solenopsis invicta and other pest ants such as Argentine ants, Linepithema humile. Yet, citizens and pest control operators still struggle with adequate control of ant pests in homes, nursing facilities, hospitals, and electrical housings. Although all these registered insecticides have been adequately tested before they were taken to market, it is possible that the method of application can be further refined and control more successful. We tested several methods of pesticide application against S. invicta and L. humile in urban areas. We tested 1) application of bait at large-scale and small-scale efforts, 2) application of contact granular insecticide at large-scale and small-scale efforts, 3) application of liquid contact insecticide at high volume of water and low volume of water (at the same rate of insecticide).

Species 1: Hymenoptera Formicidae Solenopsis invicta (red imported fire ant, fire ant)
Species 2: Hymenoptera Formicidae Linepithema humile (Argentine ant)
Keywords: baits, ant baits

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