Fig. 1From: Biting midges (Ceratopogonidae) as vectors of avian trypanosomesInfection rates and intensities in biting midges Culicoides nubeculosus membrane-fed on Trypanosoma bennetti and T. avium. Infection intensities: low - 1–100 parasites; medium - 100–1000 parasites; heavy- > 1000 parasites per gut. Numbers of dissected females shown above the columnsBack to article page