Journal
JOURNAL OF VECTOR ECOLOGY
Volume 40, Issue 1, Pages 158-163Publisher
SOC VECTOR ECOLOGY
DOI: 10.1111/jvec.12145
Keywords
Mosquitoes; vectors; trapping methods; trapping bias; Sindbis virus; West Nile virus
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Funding
- Stiftelsen Lars Hiertas Minne
- Helge Ax:son Johnsons Stiftelse
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We evaluate three trapping methods for their effectiveness at capturing Culex pipiens and Culex torrentium, both enzootic vectors of bird-associated viruses in Europe. The comparisons, performed in two regions in Sweden, were among CDC traps baited with carbon dioxide, gravid traps, and ovitraps baited with hay infusion. The proportions of the two Culex species in a catch differed between trap types, with CDC traps catching a lower proportion of Cx. torrentium than both gravid traps and ovitraps. Between gravid traps and ovitraps, there was no difference in the proportions of the two species. The results indicate that Cx. torrentium may go undetected or underestimated compared to Cx. pipiens when using carbon dioxide baited CDC traps. The new insight of trap bias presented here adds an important dimension to consider when investigating these vectors of bird-associated viruses in the field.
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