A revision of Geostiba of the West Palaearctic region. XXVII. New species from Georgia and Kyrgyzstan, and additional records (Coleoptera, Staphylinidae, Aleocharinae) Assing, Volker Linzer biologische Beiträge 2019 2019-12-20 51 2 717 730 3FSKW Pace 1996 [151,470,1291,1313] Insecta Staphylinidae Geostiba Animalia Coleoptera 3 720 Arthropoda species batumiensis Sibiota   M a t e r i a l e x a m i n e d:  GEORGIA: A d j a r a: 5♂♂, 5♀♀, Chakvistavi, 41°40'47''N, 41°52'19''E,  330 m, stream valley in deciduous forest, litter sifted,  17. V.2019, leg. Brachat& Meybohm(cAss); 2♂♂, 4♀♀, W Chakvistavi, 41°41'27''N, 41°49'48''E,  150 m, beech forest with rhododendron, litter sifted,  18. V.2019, leg. Brachat& Meybohm(cAss); 2♂♂, 2♀♀, E Chakvistavi, 41°40'44''N, 41°53'09''E, deciduous forest, litter sifted,  400 m,  19. V.2019, leg. Brachat& Meybohm(cAss);  4♀♀, E Chakvistavi, 41°40'34''N, 41°52'30''E,  320 m, rhododenron litter sifted,  20. V.2019, leg. Brachat& Meybohm(cAss); 2♂♂, 1♀, E Chakvistavi, 41°40'34''N, 41°52'49''E,  360 m, road margin, deciduous forest margin, litter sifted,  20. V.2019, leg. Brachat& Meybohm(cAss); 4♂♂, 5♀♀, Achi, 41°49'52''N, 42°00'25''E,  330 m, deciduous forest, litter near stream sifted,  21. V.2019, leg. Brachat& Meybohm(cAss); 22♂♂, 27♀♀, Meskheti Range, NE Batumi, Mtirala National   Figs 1-7:  Geostiba simplicicollis: ( 1) male habitus; ( 2) male forebody; ( 3) male abdominal segments VI-VIII in dorsal view; ( 4) male abdominal segments VI-VIII in lateral view; ( 5-7) median lobe of aedeagus in lateral and in ventral view. Scale bars: 1: 1.0 mm; 2-4: 0.5 mm; 5-7: 0.1 mm.   Figs 8-14:  Geostiba zerchei( 8-12) and  G. kakhetiana( 13-14): ( 8, 13) male habitus; ( 9, 14) male forebody; ( 10-11) median lobe of aedeagus in lateral and in ventral view; ( 12) spermatheca. Scale bars: 8, 13: 1.0 mm; 9, 14: 0.5 mm; 10-12: 0.1 mm.   Figs 15-23:  Geostiba kakhetiana: ( 15) male abdominal segments VI-VIII; ( 16) male tergite VIII; ( 17) male sternite VIII; ( 18-20) median lobe of aedeagus in lateral and in ventral view; ( 21-23) spermatheca. Scale bars: 15: 0.5 mm; 16-17: 0.2 mm; 18-23: 0.1 mm.   Figs 24-33:  Geostiba frischi: ( 24) male habitus; ( 25) male forebody in dorsal view; ( 26) male forebody in lateral view; ( 27) male abdominal segments VI-VIII; ( 28-29) median lobe of aedeagus in lateral and in ventral view; ( 30) paramere; ( 31-33) spermatheca. Scale bars: 24: 1.0 mm; 25-27: 0.5 mm; 28-33: 0.1 mm.   Figs 34-42:  Geostiba prominens( 34-37) and  G. dentata( 38-42): ( 34, 38) male forebody in dorsal view; ( 35) male forebody in lateral view; ( 36-37, 41-42) median lobe of aedeagus in lateral and in ventral view; ( 39) head in lateral view; ( 40) male abdominal segments VI-VII. Scale bars: 34-35, 38-40: 0.5 mm; 36-37, 41-42: 0.1 mm. Park, 41°40'36''N, 41°52'23''E, 300 m, deciduous forest with predominant alder, chestnut, and rhododendron, litter sifted, 18.VII.2019, leg. Assing (cAss); 10♂♂, 11♀♀, same data, but soil washing (cAss, MNB); 20♂♂, 39♀♀, Meskheti Range, NE Batumi, Mtirala National Park, 41°40'35''N, 41°52'29''E,  330 m, moist deciduous forest with predominant alder, chestnut, and rhododendron, litter sifted,  18.VII.2019, leg. Assing(cAss); 3♂♂, 3♀♀, same data, but soil washing (cAss).  C o m m e n t:  Geostiba batumiensishas been recorded only from the vicinity of Batumi in the Adjara region( ASSING 2016b). 2594760939 2019-05-17 V Brachat & Meybohm Georgia 330 41.67972 Chakvistavi 19 41.871944 3 720 5 5 2594760944 2019-05-18 V Brachat & Meybohm Georgia 150 41.690834 Chakvistavi 19 41.829998 3 720 4 4 2594760951 2019-05-19 V Brachat & Meybohm Georgia 400 41.67889 Chakvistavi 19 41.885834 3 720 2 2 2594760940 2019-05-20 V Brachat & Meybohm Georgia 320 41.676113 Chakvistavi 19 41.875 3 720 4 4 2594760961 2019-05-20 V Brachat & Meybohm Georgia 360 41.676113 Chakvistavi 19 41.880276 3 720 1 1 2594760941 2019-05-21 V Brachat & Meybohm Georgia 330 41.831112 Achi 19 42.006943 3 720 5 5 2594760929 MNB 9 726 11 11 2594760945 2019-07-18 Range, NE & Assing 330 41.67639 Meskheti Range 19 41.87472 Mtirala National Park 9 726 39 39 2594760933 2019-07-18 Range, NE & Assing 330 41.67639 Meskheti Range 19 41.87472 Mtirala National Park 9 726 3 3