COLD-HARDINESS OF COLEOPTERA FROM THE SUB -ARCTIC REGION (COMPARATIVE-ANALYSIS)

Supercooling points (SCP) of Coleoptera from the Khybiny Mountains and the Polar Urals were investigated. The forty one species of five fami lies were examined. The most of the species were freeze intolerant. Ad ults of only two species were freeze tolerant: Curtonotus alpinus (Car abidae) and Lathrobium poljarnis (Staphylinidae). These species inhabi ted the most severe high altitude mountain regions of the Polar Urals and the Khybiny Mts. SCP of the species belongs to the same genus were similar. SCP of Staphylinidae species belongs to the same subfamilies were also very close. The seasonal and age dynamics of the SCP remain ed almost constant for specimens from different geographic areas. The tundra species have no seasonal dynamics of SCP. The SCP of boreal spe cies were 2-3 degrees lower in autumn then in summer. The SCP of terre strial species was lower than that of the soil and litter dwelling.