False-colour scanning electron micrograph (SEM) of the head of a tsetse fly Glossina morsitans, a large bloodsucking fly of tropical Africa. The tsetse fly transmits a parasitic protozoan called Trypanosoma, of which T. gambiense & T. rhodesiense are the agents of sleeping sickness in humans. Both male & female are bloodsuckers. Their habitat is varied, ranging from forest to river bank to savanah. Unlike most flies the tsetse gives birth to fully developed larvae, which immediately pupate. The female nurtures one larva at a time, with a total of 8-10 per lifetime. The short antennae are adorned with bristles called aristae. Magnification: x14 at 6x4.5cm size.

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