Tsetse fly, (genus Glossina), also spelled tse-tse, also called tik-tik fly, any of about two to three dozen species of bloodsucking flies in the housefly family, Muscidae (order Diptera), that occur only in Africa and transmit sleeping sickness (African trypanosomiasis) in humans and a similar disease called nagana in domestic animals.

Definition of tsetse fly : any of several dipteran flies (genus Glossina) that occur in Africa south of the Sahara and include vectors of human and animal trypanosomes …

Tsetse Fly: Scientific Name: Glossina spp: Size: The tsetse is about the size of a housefly: 6-14mm: Colour: Yellowish to brown: Description: Possesses a large, widely spaced eyes, forward-projected mouth parts and wings which in rest cover the whole abdomen horizontally, like closed blades of a …

Tsetse fly definition, any of several bloodsucking African flies of the genus Glossina, that act as a vector of sleeping sickness and other trypanosome infections of humans and domestic animals. See more.

The tsetse (the word tsetse means fly destructive to cattle, thus the name tsetse fly is redundant) is an ovoviviparous vector of African trypanosomiasis. The female fly has a uterus wherein an individual egg hatches, the resulting larva feeding on secretions provided by milk glands.