african horse sickness and the overwintering of culicoides spp. in the iberian peninsula.the presence at different latitudes and the seasonal distribution of two known or potential vectors of african horse sickness (ahs) virus--culicoides imicola and c. obsoletus--were investigated in the iberian peninsula using light trap collections. culicoides imicola was present as far north as 41 degrees n but not at 43 degrees n (asturias, spain), whereas c. obsoletus was found at all latitudes. in the northern part of the distribution of c. imicola, adults of this species were present for onl ...19947949350
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