PMID: 18411647Apr 17, 2008Paper

Species composition of mosquitoes (Diptera, Culicidae) and possibility of the West Nile virus natural foci formation in the South of Western Siberia

Parazitologiia
Iu V KononovaV B Loktev

Abstract

In 2004 June-July collections of mosquito adults and small mammals were carried out in two areas of Novosibirsk Region (forest-steppe and steppe zones), where the West Nile virus (WNV) was for the first time recorded in birds with different migration status in 2002-2004. Seventeen species of mosquitoes were found; significant changes in their species composition and abundance, as compared with latest faunistic studies made in the sixties-seventies of the last century, are revealed. WNV markers (antigen, RNA) are found in small mammals; highly sensitive to the WNV replication mosquito species are also found. These facts allow supposing a possibility of the formation of stable West Nile virus natural foci in the South of Western Siberia, under conditions of forest-steppe and steppe zones.

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