An updated synthesis of the Geophilomorpha (Chilopoda) of Asian Russia Author Dyachkov, Yurii V. https://orcid.org/0000-0001-9256-9306 Altai State University, Lenin Avenue, 61, 656049, Barnaul, Russia & Tomsk State University, Lenin Avenue, 36, 634050, Tomsk, Russia & Western Caspian University, Istiglaliyyat Street, 31, Baku, Azerbaijan dyachkov793@mail.ru Author Bonato, Lucio https://orcid.org/0000-0002-8312-7570 Dipartimento di Biologia, Universita di Padova, via U. Bassi 58 b, 35131 Padova, Italy text ZooKeys 2024 2024-04-23 1198 17 54 http://dx.doi.org/10.3897/zookeys.1198.119781 journal article http://dx.doi.org/10.3897/zookeys.1198.119781 1313-2970-1198-17 BDC5B2CD1BB442AE8672E57CC0FBBF6F 9A0A0A5CD22451C7ADAE5C8460C568DC 30. Escaryus koreanus Takakuwa, 1937 * Escaryus koreanus Takakuwa 1937a : 297. Escaryus koreanus - Takakuwa 1940 : 39; Titova 1972 : 135; 1973 : 112; Ghilarov and Perel 1973 : 46; Kurcheva 1977 : 45; Ganin 1997 : 105, 109, 112, 114, 121, 124, 126, 128; 2006 : 501; Rybalov 2002 : 83; Vorobiova et al. 2002 : 62; Nefediev et al. 2017a : 11; 2017c : 222; 2018 : 238; Dyachkov 2017 : 454; Dyachkov and Tuf 2018 : 296; Nefediev 2019 : 26. Type locality. North Korea: "Husenzan" ( Takakuwa 1937a ). Type series. Syntypes : unknown number of specimens, both sexes. Depository unknown. Diagnosis. An Escaryus species with body length reaching ≥ 6.5 cm; clypeus with large plagulae; labral arc relatively shallow, with long denticles, the middle denticles obtuse, the lateral ones pointed; first maxillae with one pair of lappets; forcipular trochanteroprefemur with an small obtuse denticle, femur and tibia without denticles, tarsungulum with a small basal bulge; 43-55 leg-bearing segments; metasternites with relatively dense setae; metasternite of the ultimate leg-bearing segment rectangular, ~ 2 x as long as wide; coxal pores of different size, on both ventral and lateral sides of coxopleura, including a pair of much larger pores on each coxopleuron; anal pores present. Distribution. Western Siberia: Altai krai, republics of Altai and Khakassia, Kemerovo, Novosibirsk, and Tomsk oblasts ( Titova 1972 , 1973 ; Dyachkov 2017 ; Nefediev et al. 2017a , 2017c , 2018 ; Nefediev 2019 ). Eastern Siberia: Krasnoyarsk krai, Irkutskaya oblast ( Rybalov 2002 ; Vorobiova et al. 2002 ; Nefediev 2019 ). Far East: Maritime and Khabarovsk krais, Amur Oblast ( Titova 1972 , 1973 ; Ghilarov and Perel 1973 ; Kurcheva 1977 ; Ganin 1997 ). Outside Asian Russia: Eastern Kazakhstan ( Dyachkov and Tuf 2018 ), Japan, and North Korea ( Takakuwa 1937a , 1940 ). Remarks. Titova (1973 : 113) suggested that E. koreanus can be a junior synonym of E. sibiricus Cook, 1899.