Update on the biology and ecology of Culicoides species in the South-West region of Cameroon with implications on the transmission of Mansonella perstans

Autor: Samuel Wanji, Dizzle Bita Tayong, Rene Ebai, Vera Opoku, Chi Anizette Kien, Winston Patrick Chounna Ndongmo, Abdel Jelil Njouendou, Raymond Nsaidzedze Ghani, Manuel Ritter, Yaw Alex Debrah, Laura E. Layland, Peter A. Enyong, Achim Hoerauf
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Parasites & Vectors, Vol 12, Iss 1, Pp 1-12 (2019)
Druh dokumentu: article
ISSN: 1756-3305
DOI: 10.1186/s13071-019-3432-9
Popis: Abstract Background Culicoides (Diptera; Ceratoponidae) are tiny, stout, blood-sucking flies with a near worldwide distribution. When present, they are often considered a biting nuisance but in addition, they are involved in the transmission of pathogens to humans, domestic and wild animals. Data on Culicoides species in the South-West region of Cameroon dates back to the 1950s. Over the decades, ecological transformation due to agriculture and deforestation may have affected the population dynamics of Culicoides and therefore our study provides an update of their bio-ecology in the region. Furthermore, the role of various Culicoides species in the transmission of parasitic filariae of the genus Mansonella remains inconclusive in this region. This study was designed to address these unknown issues and expand on current scientific knowledge. Results Eight species of Culicoides (C. bedfordi, C. inornatipennis, C. fulvithorax, C. grahamii, C. imicola, C. milnei, C. neavei and C. kumbaensis) were collected using light traps and human baits. Culicoides grahamii was the most abundant species, followed closely by C. milnei. Three species (C. milnei, C. grahamii and C. inornatipennis) were common in all observed larval development sites. Only four species (C. inornatipennis, C. fulvithorax, C. grahamii and C. milnei) were collected on humans. Anthropophilic species were more abundant (P
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