Nov 26, 2010

Family Muscidae..Genus Glossina (TseTse Flies)

  • Also called TseTse flies
  • Some classify it in family muscidae and some in Glossinidae family.
  • It is found in Africa on more than 10 million kilometer area.
  • It is important vector of many Human & Animal diseases.
  • Adult flies are long, narrow and yellow to dark brown in color.
  • Size is 6-15mm and mouth is projecting forward.
  • Wings held over the abdomen like a pair of close scissors when at rest.
  • Mouth parts are composed of U-shaped Labium with rasp labella which lie at the terminal region of Labium and upper sharp labrum.
  • B/W Labium and Labrum, Hypopharynx is present which carries salivary duct and delivers anticoagulant to Host tissue.
  • In the center of the wings, there lies hatchet or cleaver.
Life Cycle
  • Female is viviparous and produce 8-12 larvae in its life time.
  • Maturation of larva takes place in 10 days.
  • Size of larva is 8-10mm.
  • Color of larva is creamy white and segmented body and ear shaped Protuberance which is used for respiration.
  • From the larva, pupa develops. Pupa stage is 4-5 weeks. Pupa is barrel shaped and Dark brown in color.
  • From the pupa, adult emerges. Adult requires several blood meals for a period of 16-20 days before ovary matures and egg laying starts.
Pathogenic Effects
  • Create great restlessness for animal and human beings.
  • It causes production losses.
  • These flies are important vectors of Trypanosomiasis (human & animals).
Treatment & Control
  • Use insecticides;
  • Organo Chlorine…… DDT, hexachlorocyclohexane/ benzene hexachloride
  • Organic phosphate…. Trichlorofen, neguvan, cumafex, neocidal, diazinon and asuntal
  • Synthetic pyrethroid...Cypermethrine and Ecoflee
  • Carbamates
  • Destroy the bushes.
  • Killing of the game animals which act as reservoir of infection because these animals provide blood to flies is necessary.
  • Trap the flies with black cloth and kill them. It is the best method.


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