To the knowledge of rare species of Acrididae from Protected Areas in North-Western Russia: Chorthippus brunneus brevis (Orthoptera, Acrididae)

Abstract

The presence of the grasshopper Chorthippus brunneus brevis (Orthoptera, Acrididae, Gomphocerinae) has been confirmed for the Vyborg district mainland of the Leningrad region, Russia, for the first time since 1908. Information about its habitats, characteristics of morphology, as well as calling signals of males is presented. The differences of the stridulatory file structure in the males of the closely related species Ch. brunneus brunneus, Ch. brunneus brevis and Ch. porphyropterus from the territory of Russia are considered. Information on the difference in calling of both subspecies of Ch. brunneus is given.

Keywords

• Acrididae
• Chorthippus biguttulus – group
• cryptic species
• grasshoppers
• Orthoptera