Pest Species

Glossina morsitans
TseTse Fly


Control Measure


  • The first release of sterile flies was made in 1967 on an island in Lake Kariba
  • Males had emerged from pupae collected in the field and were sterilized by exposure to tepa, a chemo sterilant.
  • Releases began at the beginning of the winter season.
  • After 6 months, the program was terminated without achieving control.
  • Efforts resumed in 1968.
  • 98% control was obtained in 9 months.

Learn More

The Sterile-Male Technique Against Tsetse Flies, Glossina Spp

D. A. Dame and C. H. Schmidt,  16,  24-30. 1970.
Simpson (1958) discussed the relationship between the biological characteristics of the genus Glossina and the use of the sterile-male technique in the control of this vector of trypanosomiasis, as did Knipling in an informal report in 1963 on Practical Role of the Sterility ...

Control of tsetse flies, Glossina spp.

D. A. Dame and A. M. Jordan,  Advances in Veterinary Science and Comparative Medicine,  25:101-119. 1981.
Studies of SIT in Zimbabwe with releases of chemosterilized G. m. morsitans (Dame and Schmidt, 1970) demonstrated the feasibility of the methodology used both in the laboratory and in the field. Subsequent trials were recently completed in Tanzania, where laboratory bred sterile ...