Repellent effect of organic fatty acids on Culicoides midges as determined with suction light traps in South Africa

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dc.contributor.author Venter, Gert J.
dc.contributor.author Labuschagne, Karien
dc.contributor.author Boikanyo, Solomon N.B.
dc.contributor.author Morey, Liesl
dc.contributor.author Snyman, M.G.
dc.date.accessioned 2012-05-24T07:00:00Z
dc.date.available 2012-05-24T07:00:00Z
dc.date.issued 2011-09
dc.description.abstract The efficacy of a 15% (w/w) mixture of octanoic, nonanoic and decanoic acids in light mineral oil to repel Culicoides biting midges (Diptera; Ceratopogonidae) was determined in three replicates of a 4 × 4 Latin square design under South African field conditions. The fatty acids were applied to ±0.07 m2 polyester meshes with a mesh size 2–3 mm fitted to 220 V 8 W Onderstepoort downdraught light traps. To reduce the relatively strong attraction of the light trap, the black light tubes in the Onderstepoort trap were replaced with 8 W 23 cm white light tubes. The traps were operating overnight next to cattle. Two traps treated with the mixture of fatty acids collected 1.7 times fewer midges than two untreated traps. Although this mixture of fatty acids had shown a repellent effect against a number of blood-feeding insects this is the first indication that it also has a significant repellent effect against Culicoides species and especially Culicoides (Avaritia) imicola Kieffer when applied to polyester mesh. en
dc.description.librarian ab2012 en
dc.description.sponsorship Afrivet (Pty) Ltd. en
dc.description.uri http://www.elsevier.com/locate/vetpar en
dc.identifier.citation G.J. Venter, K. Labuschagne, S.N.B. Boikanyo, L. Morey, M.G. Snyman, The repellent effect of organic fatty acids on Culicoides midges as determined with suction light traps in South Africa, Veterinary Parasitology, vol. 181, no. 2-4, pp. 365-369, (2011), doi: 10.1016/j.vetpar.2011.04.034 en
dc.identifier.issn 0304-4017 (print)
dc.identifier.issn 1873-2550 (online)
dc.identifier.other 10.1016/j.vetpar.2011.04.034
dc.identifier.uri http://hdl.handle.net/2263/18861
dc.language.iso en en
dc.publisher Elsevier en
dc.relation.requires Adobe Acrobat Reader en
dc.rights © 2011 Elsevier B.V. All rights reserved. en
dc.subject African horse sickness en
dc.subject Bluetongue en
dc.subject Control en
dc.subject Culicoides imicola en
dc.subject.lcsh Culicoides en
dc.subject.lcsh Diptera en
dc.subject.lcsh Ceratopogonidae en
dc.subject.lcsh Fatty acids en
dc.subject.lcsh Insect trapping en
dc.title Repellent effect of organic fatty acids on Culicoides midges as determined with suction light traps in South Africa en
dc.type Postprint Article en


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