The disease results from the bite of the tsetse fly.
They can't live in the Congo because of tsetse flies.
The smallest thing that one can milk is a tsetse fly.
I can stand the heat and the tsetse fly.
One of these ways is over a tsetse fly.
"Maybe it is a tsetse fly, a special one living only near lake shores and river banks!"
Infection is spread by the bite of the tsetse fly.
I would have liked to have been a tsetse fly on that wall.
The agent, as I saw him over the tsetse fly, looked as if he were someone's father.
The parasite is known to be transmitted by the Tsetse fly.