Pacifiiulus Mikhaljova, 1982

Mikhaljova, Elena V. & Sergeev, Maksim E., 2021, Review of the millipedes of the Sikhote-Alin State Nature Biosphere Reserve (Far East of Russia), with detection of the morphological variability of Diplomaragna terricolor (Attems, 1899) (Diplopoda), Amurian Zoological Journal XIII (2), pp. 167-182 : 170

Genus Pacifiiulus Mikhaljova, 1982

Pacifiiulus amurensis (Gerstfeldt, 1859) Pacifiilus imbricatus (sic!) — Gromyko 1990: 66. Pacifiiulus imbricatus — Mikhaljova 1993: 12, Map 2; Ganin 1997: 123.

Pacifiiulus amurensis — Ganin 2011: 340, 344.

Material. Russia: 1♀ ( FSCB), Primorsky Krai, Sikhote-Alin State Nature Biosphere Reserve: Blagodatnoe, environs of Blagodatnoe Lake , Quercus forest, 44°57ʹ14′′N, 136°32ʹ50′′E, 13.05.2016 ; 2♂, 1♀ ( FSCB), Blagodatnoe, Sukhoy Stream (upper reaches), 600–700 m a.s.l., 44°58ʹ57′′ N, 136°31ʹ09′′E, 9– 10.07.2020 ; 1♀, 1 juv., 1 fragment ( FSCB), Sakhalinsky, Sakhalinsky Stream (upper reaches), 45°41ʹ47′′N, 136°37ʹ13′′E, 30.05.2020 ; 1♀ ( FSCB), Kuruma , floodplain of Kuruma River , 44°91ʹ52′′N, 136°21ʹ18′′E, 6– 9.06.2020 ; 1♀ ( FSCB), Abrek, Upolnomochenny Stream , 45°15ʹ89′′N, 136°77ʹ75′′E, 29.06– 1.07.2020 ; all leg. M. E. Sergeev.

Distribution. Russia: Far East (Primorsky Krai, southern part of Khabarovsky Krai, Jewish Autonomous Oblast, Amur Oblast),

Siberia (Republic of Altai, southern part of Krasnoyarsky Krai, Republic of Khakassia, Republic of Tyva, Zabaikalsky Krai, Republic of Buryatia); Northeast China.

Occurrences in the natural landmarks of the Sikhote-Alin State Nature Biosphere Reserve: Abrek, Blagodatnoe, Kunaleika, Kuruma, Nechet, Sakhalinsky, Solontsovy, Yasnaya, Zimoveyny.