Macrophotograph of a tsetse fly feeding

Macrophotograph of a tsetse fly feeding

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Credit: MARTIN DOHRN/SCIENCE PHOTO LIBRARY

Caption: The Tsetse fly, Glossina morsitans, vector of sleeping sickness, feeding on human arm. The parasitic protozoans Trypansoma gambiense or T. rhodesiense are transmitted to man through a bite from the tsetse fly; the adult female tsetse sucks the blood of man & other mammals to support a single larvae growing inside her body. Control of sleeping sickness (African trypansomiasis) has been achieved through sterilization of male tsetse pupae by radiation, which causes the gradual decline of the tsetse population as female partners of the sterile males are removed from the breeding population.

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Keywords: animal, fly vector, glossina morsitans, insect, insecta, invertebrate, invertebrates, nature, sleeping sickness, tsetse fly, wildlife, zoology

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