期刊
VETERINARY PARASITOLOGY
卷 186, 期 3-4, 页码 415-424出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.vetpar.2011.11.023
关键词
Obsoletus complex; Pulicaris complex; BTV; Kairomones; Spain
资金
- Department of Agriculture, Fisheries and Food of the Basque Country [DST2007013]
Bluetongue virus is transmitted by Culicoides biting midges (Diptera: Ceratopogonidae). Culicoides associated with livestock were captured using CDC blacklight traps at three BTV-infected farms in Basque Country between November 2007 and December 2008. Twenty-seven and nineteen Culicoides species were collected in outdoor and indoor habitats respectively. Indoor insect community represented 86.1% of the whole captured individual biting midges. Culicoides obsoletus/Culicoides scoticus (two sibling species of the Obsoletus complex) were dominant throughout all months and sexes with maximum phenological peaks in November 2007 and June-July 2008. Culicoides lupicaris was the second most dominant species followed by Culicoides pulicaris (both species of the Pulicaris complex). Few specimens of Culicoides imicola, the principal Afro-Mediterranean vector of BTV, as well as four new species recorded for the Iberian Peninsula, were also collected. BTV was detected by RT-PCR from pools of C. obsoletus/C. scoticus, C. lupicaris and C. pulicaris parous females. In-Lactic acid significantly attracted more C obsoletus/C. scoticus females and males, C. lupicaris females, C. pulicaris females and Culicoides punctatus females and males; whereas acetone increased only the captures of Culicoides achrayi. (C) 2011 Elsevier B.V. All rights reserved.
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