Efficacy of alphacypermethrin-treated high density polyethylene mesh applied to jet stalls housing horses against Culicoides biting midges in South Africa

Veterinary Parasitology
P C PageA J Guthrie

Abstract

The efficacy of alphacypermethrin-treated high density polyethylene (HDPE) mesh applied to jet stalls against Culicoides biting midges (Diptera: Ceratopogonidae) was determined by mechanical aspiration of midges from horses and using Onderstepoort 220 V downdraught black light traps in four blocks of a 3 × 2 randomised design under South African field conditions. The alphacypermethrin-treated HDPE mesh applied to the stall significantly (P = 0.008) reduced the number of Culicoides midges, predominantly Culicoides (Avaritia) imicola Kieffer, mechanically aspirated from horses housed in the stall. The mesh reduced the Culicoides midge attack rate in the treated stall compared to the untreated stall and a sentinel horse by 6 times and 14 times, respectively. The number of Culicoides midges and C. imicola collected in light traps from the untreated and alphacypermethrin HDPE mesh-treated stalls did not differ significantly (P = 0.82). Alphacypermethrin-treated HDPE mesh could be used to reduce exposure of horses in jet stalls to Culicoides midges, specifically C. imicola, and the risk of midge-borne Orbivirus transmission.

References

Apr 13, 2000·Annual Review of Entomology·P S MellorM Baylis
Aug 31, 2007·The Veterinary Journal·Renske van der RijtMarianne M Sloet van Oldruitenborgh-Oosterbaan
Mar 21, 2009·Trends in Microbiology·Simon CarpenterPhilip S Mellor
Mar 2, 2012·Emerging Infectious Diseases·Bernd HoffmannMartin Beer

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Citations

Feb 1, 2017·Annual Review of Entomology·Simon CarpenterGert J Venter
May 17, 2018·The Veterinary Record·Gail Elaine ChapmanDebra C Archer

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