Orthoptera of the Nora Nature Reserve, Amurskaya oblast
Twenty-nine species in 25 genera and four families of the order Orthoptera are found in the Nora Nature Reserve, including 7 species of Tettigoniidae, 2 - Gryllidae, 2 - Tetrigidae, and 18 species of Acrididae. All species are recorded from this reserve for the first time. The number of species in the northern regions of Amurskaya oblast (Nora Reserve, 52°30′ N) is at about two times less than in the southern regions (Khingan Nature Reserve, 49<sup>o</sup>01' N). The local fauna of Nora Reserve is also compared with well studied faunas of the natural reserves situated in the middle and lower parts of Amur River basin.