Journal of Insect Science (2020) 20 (6 - ieaa110)

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Brandon Smythe, David Boxler, Gary Brewer, Eric Psota and D. Wes Watson (2020)
Using visual and digital imagery to quantify horn fly (Diptera: Muscidae) densities
Journal of Insect Science 20 (6 - ieaa110)
Abstract: The horn fly, Haematobia irritans L. (Diptera: Muscidae), is a persistent pest of cattle globally. A threshold of 200 flies per animal is considered the standard management goal; however, determining when that threshold has been exceeded is difficult using visual estimates that tend to overestimate the actual fly densities and are, at best, subjective. As a result, a more reliable and durable method of determining horn fly densities is needed. Here, we describe the methods commonly used to quantify horn fly densities including visual estimates and digital photography, and provide examples of quantification software and the prospect for computer automation methods.
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Database assignments for author(s): David W. Watson

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Haematobia irritans