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Seasonal and Nocturnal Activity of ICulicoides/I spp. Adapted to Different Environments in the Balearic Islands

Barceló, Carlos ; del Río, Ricardo ; Miranda, Miguel A

Diversity (Basel), 2023-05, Vol.15 (5) [Periódico revisado por pares]

MDPI AG

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  • Título:
    Seasonal and Nocturnal Activity of ICulicoides/I spp. Adapted to Different Environments in the Balearic Islands
  • Autor: Barceló, Carlos ; del Río, Ricardo ; Miranda, Miguel A
  • Assuntos: Disease transmission ; Genetic vectors
  • É parte de: Diversity (Basel), 2023-05, Vol.15 (5)
  • Descrição: Several pathogens are known to be transmitted by arthropods. One of the most relevant, in economic terms, affecting animals is bluetongue virus. Its known vectors are several species of Culicoides midges. In Europe, the considered main vector species are Culicoides imicola and Culicoides obsoletus, though other species may be implicated at different levels. In the present work, the activity of these vector species between sunset and sunrise from May to November is analyzed according to their captures in a rotator bottle collector adapted to a light trap. Additionally, the Culicoides populations of two areas in Mallorca (Spain) with different characteristics (rural vs. urban) are compared. The results indicated that June is the month of higher abundance of C. obsoletus in our climatic conditions-being active during the first three hours after sunset. Conversely, C. imicola reached the maximum level of captures during October, and captures were more evenly distributed during the night. Collections from the two areas revealed that Culicoides populations were composed by the same species; however, abundance and sex ratio presented marked differences. These results add valuable insight into the ecology of Culicoides and may be used to design more accurate strategies to control diseases associated with Culicoides.
  • Editor: MDPI AG
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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