[Sergentomyia (Sergentomyia) bedfordi firmatus Parrot and Malbrant, 1945 and Sergentomyia (Sergentomyia) bedfordi medius Kirk and Lewis, 1950 (Diptera, Phlebotomidae). Morphology of immature stages and bioecological accounts (author's transl)].

Immature stages of S. bedfordi firmatus and S. bedfordi medius have been obtained in laboratory culture. The morphological characters of egg, larva and pupa are studied, the duration of post-embryonic development and the conditions of colonization are specified.