Pacifiiulus amurensis (Gerstfeldt, 1859)

Nefediev, P. S., 2018, New records of millipedes of the order Julida (Diplopoda) from Asian Russia and adjacent regions, Far Eastern Entomologist 370, pp. 12-20 : 15-16

Pacifiiulus amurensis (Gerstfeldt, 1859)

MATERIAL. Russia: Republic of Tyva: Todzhinskii District, East Sayan , right bank of right tributary of Arzhan-Khem River , 52°35  N, 98°46.910  E, swampy river bank with ushes, ca 1905 m, sifting litter and old rodent nests, 19.VI 2017, 1 ♂, 1 ♀, 3 juv. ( ASU); same known localities marked in black, new records marked in white .

marked in black, new records marked in white.

locality, 21.VIII 2017, 2 ♂, 4 juv. ( ASU); Todzhinskii District , East Sayan , valley of ArzhanKhem River, Natural Arzhaan Complex “Choiganskiye Mineralnye Vody”, 52°35  N ,

98°45  E, mixed Picea sibirica & Pinus sibirica forest with green moss, on riverine slope, ca 1890 m, sifting leaf litter and moss, 26. VI 2017, 1 ♂ ( ASU); Republic of Buryatia:

Okinskii District, East Sayan, valley of Dunda-Gol River, 52°35  N, 98°47  E,

riverine mixed Picea sibirica & Pinus sibirica forest with Salix and Alnus fruticosa , ca 1940 m,

17.VII 2015, 13 ♂, 8 ♀ ( ASU); same locality, sifting leaf litter , 27. VI 2017, 42 ♂, 13 ♀, 12

subadult ♂, 13 subadult ♀, 185 juv., 1 fragm. ( ASU), all leg. I. V. Enushchenko ; Primorskii krai: Vladivostok, Russky Island, ca 1 km NE of Podnozhie village, 43.058388°N, 131.806571°E ,

ca 35 m, Quercus forest with Acer , in litter between stones, 9. VI 2018, 1 ♀ ( ASU), leg. P.S.

Nefediev.

MATERIAL RE-EXAMINED (specimens recorded by Mikhaljova, 1993 and Mikhaljova

& Nefediev, 2003). Russia: Republic of Khakassia: Bolshoi On River , 15.VI 1990, 8 ♂, 12 ♀ ,

37 juv. ( FSCB), leg. A.B. Ryvkin; Shirinskii District, near Kommunar village, 2 km upstream of Bolnichnyi Brook, Betula and Abies sibirica forest, 2.VIII 1999, 1 ♂, 1 ♀, 3 juv. ( ASU),

leg. P.S. Nefediev; Krasnoyarskii krai: 4 km of Verkhneusinskoye village , 1 ♂, 1 ♀ ( FSCB) ,

leg. A.B. Ryvkin.

DISTRIBUTION. Russia: Far East (Primorskii krai, S part of the Khabarovskii krai, Jewish

Autonomous Region, Amurskaya oblast) and Siberia ( NE part of the Republic of Altai, S part of the Krasnoyarskii krai, Republic of Khakassia, Republic of Tyva, * Republic of Buryatia,

Zabaikalskii krai); NE China ( Fig. 3 ).

REMARKS. A restudy of specimens from Khakassia and Krasnoyarskii krai, which were determined by Mikhaljova (1993) as Sibiriulus dentiger Gulička, 1963 [= Sibiriulus profugus

(Stuxberg, 1876)], shows that they belong to Pacifiiulus amurensis .

Figures

Fig. 3. Distribution of Pacifiiulus amurensis (Gerstfeldt, 1859). Previously known localities