A list of 82 species of Muscidae (Diptera) collected with flight - intersect traps and pitfall traps exposed during the course of the whole seasons of 1984-1987 in Kivach Nature Reserve is given for the first time for the boreal zone of the European Part of Russia. Data on numbers in different habitats are given for every species. For species developing in macrofungi data of larval microhabitats are indicated as well.