Updating the global occurrence of Culicoides imicola, a vector for emerging viral diseases

Samson Leta, Eyerusalem Fetene, Tesfaye Mulatu, Kebede Amenu, Megarsa Bedasa Jaleta, Tariku Jibat Beyene, Haileleul Negussie, Darren Kriticos, Crawford W. Revie

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Culicoides imicola is the main vector transmitting viruses causing animal diseases such as Bluetongue, African Horse Sickness, and Schmallenberg. It has become widely distributed, with reports from South Africa to southern Europe, and from western Africa to southern China. This study presents a global compendium of Culicoides imicola occurrence between 1943 and 2018, reflecting the most recently compiled and harmonized global dataset derived from peer-reviewed literature. The procedures used in producing the data, as well as the geo-coding methods, database management and technical validation procedures are described. The study provides an updated and comprehensive global database of C. imicola occurrence, consisting of 1 039 geo-coded records from 50 countries. The datasets can be used for risk mapping of the diseases transmitted by C. imicola as well as to develop the global habitat suitability for the vector.
Original languageEnglish
Article number185
Number of pages8
JournalScientific Data
Publication statusPublished - 30 Sep 2019


  • Culicoides imicola
  • viral disease distribution
  • bluetongue
  • animal diseases
  • midges


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