GALINA N. AZARKINA, YURI M. MARUSIK & TATYANA V. ANTONENKO 1The Laboratory of Invertebrate Systematics, The Institute of Systematics and Ecology of Animals, Siberian Branch of the Russian Academy of Sciences, Frunze Street 11, Novosibirsk 630091, Russia. E-mail: [email protected] 2Institute for Biological Problems of the North, Portovaya Street 18, Magadan 685000, Russia. E-mail: [email protected]...