Contribution to the knowledge of Carabus (Lipaster) stjernvalli Mannerheim, 1830 in the Caucasus, with description of two new subspecies (Coleoptera: Carabidae: Carabini).

Based on material collected by the authors in the South Caucasus mainly in 2014-2018, further data are provided on the taxonomy, distribution, and ecology of the Carabus Linnaeus, 1758 subgenus Lipaster Motchulsky, 1866. C. stjernvalli paravanicus subsp. nov. is described from the vicinity of lake Paravani and C. stjernvalli kartalinicus subsp. nov.-from the NE Trialeti Mountain Range and its vicinity. The subspecific status of C. stjernvalli bogatshevi Zamotajlov, 1989 is resurrected.

Further contribution to the knowledge of Georgian species of the Carabus Linnaeus, 1758 subgenus Neoplectes Reitter, 1885, with description of a new subspecies of C. titarenkoi Zamotajlov & Fominykh, 2014 (Coleoptera: Carabidae: Carabini).

Based on material collected by the authors in 2015 in Georgia, further data are provided on the distribution, ecology, and morphology of the Carabus subgenus Neoplectes Reitter, 1885. A preliminary original identification key to the known species is provided, and a new subspecies, C. (Neoplectes) titarenkoi djanoliensis subsp. nov., is described from Dzhanoli river valley. The statuses of C. (Neoplectes) lafertei Chaudoir, 1846, C. (Neoplectes) chaudoirianus Lapouge, 1909, C. (Neoplectes) martviliensis Retezár & Djavelidze, 1992, C. (Neoplectes) prunierianus Deuve, 2012, and C. (Neoplectes) titarenkoi Zamotajlov & Fominykh, 2014 are resurrected to specific. C. (Neoplectes) mellyi boulbenorum Deuve, 2015 is synonymized with the nomynotypical subspecies. A new status of the subspecies Carabus (Neoplectes) lafertei montreuilianus Deuve, 2014, stat. nov. is also proposed.

Description of two new species related to Pterostichus (Aphaonus) arcanoides Lorenz, 1998 from the West Transcaucasia (Coleoptera: Carabidae: Pterostichini).

Two new carabid beetle species, Pterostichus (Aphaonus) mariamae sp. nov. and Pterostichus (Aphaonus) svetlanae sp. nov., related to an enigmatic mountainous representative of the subgenus Aphaonus, P. (Aphaonus) arcanoides Lorenz, 1998, are described from the Abkhazian midlands (Tsebelda Plateau and Mtsara district). Discriminative features of the new species in the subgenus are briefly discussed.

Contribution to the knowledge of the Carabus (Archiplectes) satyrus Kurnakov, 1962, species complex in Abkhazia (Coleoptera, Carabidae, Carabini).

This study is based on a comparative analysis of extensive material of Carabus (Archiplectes) satyrus Kurnakov, 1962, its various forms and related taxa recently collected by the authors and some other collectors in Abkhazia. The status or specific affiliations of several subspecies are changed and a subspecies is described. Carabus (Archiplectes) besleticus Kurnakov, 1972, stat. n. is treated as a separate species housing six hitherto established subspecies in addition to the nominal type: Carabus (Archiplectes) besleticusmtsaranus Kurnakov, 1972, Carabus (Archiplectes) besleticusduripshensis Kurnakov, 1972, Carabus (Archiplectes) besleticusnapraensis Belousov & Zamotajlov, 1993, Carabus (Archiplectes) besleticusdsychvensis Kurnakov, 1972, Carabus (Archiplectes) besleticusadzinbai Retezár, 2013, and Carabus (Archiplectes) besleticusresheviensissubsp. n.Carabus (Archiplectes) satyrus is treated as monotypical while the specific status of Carabus (Archiplectes) pseudopshuensis Zamotajlov, 1991, earlier proposed by Fominykh and Zamotajlov (2012), is confirmed based on the morphological and morphometric data.