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 29. Escaryus japonicus Attems, 1927 * Escaryus japonicus Attems 1927 : 299. Escaryus japonicus - Attems 1929 : 96; Byzova and Chadaeva 1965 : 333; Shinohara 1972 : 66; Titova 1969 : 165; 1972 : 135; 1973 : 113; Ghilarov and Perel 1973 : 46; Molodova 1973 : 67; Alekseeva 1974 : 8; Kurcheva 1977 : 45; Markelov and Mineeva 1981 : 130; Ganin 1997 : 105, 109, 112, 114, 121, 124, 126, 129, 134, 141; 2006 : 501; Vorobiova 1999 : 33; Farzalieva 2008 : 67; Volkova 2016 : 676; Dyachkov 2017 : 454; Nefediev et al. 2017a : 11; 2017c : 222; Dyachkov and Tuf 2018 : 296; Nefediev 2019 : 25; Dyachkov and Farzalieva 2023 : 229. Type locality. Japan: Hokkaido: "Todohokhe" ( Attems 1927 ). Type series. Syntypes : 2 specimens, including a male and a juvenile. Deposited in NHMW ( Ilie et al. 2009 ). Diagnosis. An Escaryus species with body length reaching ≥ 4.3 cm; clypeus with large plagulae; labral arc relatively shallow, with denticles long and obtuse; first maxillae with one pair of lappets; forcipular trochanteroprefemur with a small distal denticle, all other articles with very small bulges; 43-55 leg-bearing segments; metasternites with relatively sparse setae; metasternite of the ultimate leg-bearing segment rectangular, ~ 2 x as long as wide; coxal pores of similar size, on both ventral and lateral sides of coxopleura; anal pores present. Distribution. Western Siberia: Sverdlovsk, Chelyabinsk, Tomsk, and Kemerovo oblasts, republics of Altai and Khakassia ( Byzova and Chadaeva 1965 ; Titova 1972 , 1973 ; Farzalieva 2008 ; Dyachkov 2017 ; Nefediev et al. 2017a , 2017c ; Nefediev 2019 ). Eastern Siberia: Republic of Buryatia and Krasnoyarsk krai ( Alekseeva 1974 ; Titova 1973 ; Vorobiova 1999 ), Magadan oblast ( Berman and Leirikh 2019 ). Far East: Amur oblast, Maritime and Khabarovsk krais, Sakhalin oblast (Sakhalin Isl.) ( Titova 1973 ; Ghilarov and Perel 1973 ; Molodova 1973 ; Kurcheva 1977 ; Markelov and Mineeva 1981 ; Ganin 1997 , 2006 ). Outside Asian Russia: European Russia ( Titova 1973 ; Farzalieva 2008 ; Volkova 2016 ), eastern Kazakhstan ( Dyachkov and Tuf 2018 ), Mongolia ( Dyachkov and Farzalieva 2023 ), Northern China ( Takakuwa and Takashima 1949 ), and Japan ( Attems 1927 ). Remarks. The record from the Krasnoyarsk krai by Vorobiova (1999) was questioned by Nefediev et al. (2017a) .