English: Culicoides imicola blood feeding female midges showing stages of blood feeding in relation to transmission of viruses. Top left is nulliparous (unfed and before any egg laying). Bottom left is nulliparous with its first blood meal. Top right is a parous female after at least one blood meal and egg laying - it has brown pigment in its abdomen and could transmit virus. Bottom right is parous, showing brown pigment and a fresh bloodmeal.
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