Abstract

A new leech species Trocheta ariescornuta n. sp. is described and illustrated here based on two specimens found in Motena Cave in western Georgia, Caucasus. This species differs from the known congeners and other similar Erpobdellids of the region, including Georgian cavernicolous leech - Dina ratschaensis Kobaķhidze, 1958 in a complex of external and internal morphological characteristics: colour, annulation, position of genital pores, shape of the genital atrium with strong coiled cornua (similar to the horns of a ram). Cave inhabitant invertebrate community for Motena Cave is provided.

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