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United States Department of Agriculture

Agricultural Research Service

Research Project: MOLECULAR BIOLOGY AND PHYSIOLOGY OF BITING FLIES AFFECTING LIVESTOCK

Location: Tick and Biting Fly Research

Title: Laboratory evaluation of novaluron for controlling larval horn flies, house flies, and stable flies (Diptera: Muscidae)

Authors
item Lohmeyer, Kimberly
item Pound, Joe

Submitted to: Journal of Medical Entomology
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: March 11, 2012
Publication Date: May 1, 2012
Citation: Lohmeyer, K.H., Pound, J.M. 2012. Laboratory evaluation of novaluron for controlling larval horn flies, house flies, and stable flies (Diptera: Muscidae). Journal of Economic Entomology. 49(3):647-651.

Interpretive Summary: A granular formulation of novaluron, a novel insecticide, was evaluated for its efficacy in controlling the immature stages of horn flies, house flies, and stable flies. Various rates and treatment placement locations (top, middle, and bottom of manure) were evaluated in this studyand all combinations of these variables reduced adult horn fly, house fly, and stable fly emergence when compared with the untreated control. The presence of deformed pupae indicated that novaluron had an insect growth regulator effect on developing horn fly, house fly, and stable fly larvae. The level of control observed against horn flies, house flies, and stable flies in this study, along with the ease of use of a granular formulation, make this product a good candidate for use in an integrated livestock pest management program, especially for controlling stable flies near round bale feeding sites.

Technical Abstract: A granular formulation of novaluron (Novaluron 0.2G, 0.2% AI), a newer benzoylphenyl urea insecticide, was evaluated for its efficacy in controlling the larval stage of horn flies, Haematobia irritans (Linnaeus), house flies, Musca domestica Linnaeus, and stable flies, Stomoxys calcitrans (Linnaeus), in cow manure. Various rates and treatment placement locations (top, middle, and bottom of manure) were evaluated in this study and all combinations of these variables reduced adult horn fly, house fly, and stable fly emergence when compared with the untreated control. The presence of deformed pupae indicated that novaluron had an insect growth regulator effect on developing horn fly, house fly, and stable fly larvae. Top application of 0.125, 0.25, and 0.375g novaluron onto manure samples, middle application of 0.125, 0.195, 0.25, and 0.375g novaluron, and bottom application of 0.195, 0.25, and 0.375g of novaluron reduced adult horn fly emergence by over 90%. Middle application of 0.195, 0.25, and 0.375g novaluron and bottom application of 0.195, 0.25, and 0.375g of novaluron reduced adult house fly emergence by over 93%. All of the rates and treatment placement combinations evaluated in this study exhibited a >98% reduction in adult stable fly emergence. The level of control efficacy observed against horn flies, house flies, and stable flies in this study, along with the ease of use of a granular formulation, make this product an ideal candidate for use in an integrated livestock pest management program, especially for controlling stable flies near round bale feeding sites.

Last Modified: 10/1/2014
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