On dirofilaria (railliet et henry, 1911) infection od blood-sucking mosquitoes in tomsk region

A study of mosquitoes (Diptera: Culicidae), potential vectors of dirofilariae, in Tomsk region during the period from 2017 to 2020 was carried out. 27 species of mosquitoes belonging to 5 genera (Aedes, Coquilettidia, Culiseta, Culex, Anopheles) were identified. Positive findings were noted in 9 species: Ae. rossicus, Ae. behningi, Ae. cantans, Ae. communis, Ae. diantaeus, Ae. euedes, Ae. excrucians, Ae. punctor and Coq. richiardii. Total infection of mosquitoes of subfamily Culicinae was 1.5±0.2%, D. immitis - 0.06±0.05%, D. repens - 1.4±0.2%. More than 80% of the infected females belonged to the eudominant or dominant species and were found mainly in the forest park zones of Tomsk. Keywords: blood-sucking mosquitos, Culicidae, intermediate hosts, Dirophilariasis, microfilaria, extensiveness of the invasion