Onthophilus ordinarius Lewis, 1879, 7; Ôhara and Nakane, 1986: 9; ; Zhou & Luo, 2001: 509 [China: Manchuria].
Japanese name: Ezo-sesuji-emma-mushi.
Ohara (1994)
Specimens examined [additional records]. [Hokkaidô] 10 exs., Nopporo, 5/vi/1987, M. Ôhara leg.; 5 exs., Ditto, 12/vi/1987, M. Ôhara leg.; 1 ex., Ditto, 18/vii/1987, M. Ôhara leg.; 2 exs., Sapporo, 10/vi/1940, Y. Nishijima leg. (NSMT).
Ohara (1999)
Specimens examined [additional records].
Japan: [Hokkaido] Proper: Shukushi-takara-gawa, Akan, (1 ex., 26/vi/1997), K. Ijima; Nakajima, Toyako, Sôubetsu (12 exs., 9/viii/1998), K. Sasaki.
Zhou & Luo (2001: 509)
2. Onthophilus ordinarius Lewis 1879, new record from China
Onthophilus ordinarius Lewis 1879: 78 (Irkustsk); Reichardt 1933:
142; Ohara and Nakane 1986: 9 (Japan); Mazur 1997: 8 (catalogued).
Syn.: Scolytus ostreatus: Jakobson 1911: 652.
Distribution: China (Northeast China), Russia (Irkustsk, Central
and East Siberia), Japan.
Specimens examined: 5 exs. Northeast China (Manchuria), Ta Yngtse.
Linsisien, collected by E. Bourgauit.
Remarks: The Chinese specimens were compared with the Japanese
one collected and identified by M. Ohara (with label "Japan:
Nopporo Hokkaido. 5-VI-1987, M. Ohara leg.").