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Labuschagne K 1,2 & Scholtz CH 2

DISTRIBUTION OF CULICOIDES IMICOLA AND C. BOLITINOS (DIPTERA: CERATOPOGONIDAE) IN SOUTH AFRICA . Labuschagne K 1,2 & Scholtz CH 2. Importance. Nuisance, Economic, Medical, Veterinary Viruses, Protozoa, Nematodes African horse sickness (AHS) Bluetongue (BT). History. OVI

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Labuschagne K 1,2 & Scholtz CH 2

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  1. DISTRIBUTION OF CULICOIDESIMICOLA AND C. BOLITINOS (DIPTERA: CERATOPOGONIDAE) IN SOUTH AFRICA Labuschagne K1,2 & Scholtz CH2

  2. Importance • Nuisance, Economic, Medical, Veterinary • Viruses, Protozoa, Nematodes • African horse sickness (AHS) • Bluetongue (BT)

  3. History • OVI • Rene du Toit, 1943 • C. imicola, 1980’s • 1998 Clarens • C. bolitinos • Other Culicoides species • Laboratory infected

  4. Differences • C. imicola • Moist soils • Wide spread • Rains • C. bolitinos • Cattle, buffalo, wildebeest dung • Cooler areas

  5. Maps generation • Culicoides species database • 20 years • 500 sites • Distribution • Average collection per site • ARCGIS

  6. Conclusions • Maps indicate • Distribution overlap • Area of dominance differs • C. bolitinos(Eastern Free State, KwaZulu Natal, Limpopo) • C. imicola(Gauteng, Mpumalanga, KZN, Western Cape) • C. imicola500 000 specimens • C. bolitinos10 000 specimens • Areas under surveyed • Link to temperature, rainfall

  7. Acknowledgements • ARC-OVI • Funding bodies (EU, NDA) • UP Zoology and Entomology Department • ESRI • Farmers and personnel • Veterinary services (State vets, AHT’s) • Private vets • Rudy Meiswinkel

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