Анотація:
Six microsporidia species are found in 14 of 23 examined species and subspecies of blood-sucking mosquitoes in the territory of the Ukrainian SSR northern regions. Mosquitoes of the Anopheles genus were infested with the Parathelohania legeri (Hesse) Hazard et Anthony microsporidia; mosquitoes of the Aedes genus were infested with the Thelohania opacita Kudo, T. obesa Kudo, T. minuta Kudo, Thelohania sp. and Stempellia captshagaica Levtshenko et Issi. microsporidia. A close relation is marked between phenology of T. opacita and that of hosts, mosquitoes Aedes.