Ips typographus(IPSXTY)
Distribution details in Japan
From CABI Pest map 359 (1976): Present, restricted distribution
From NPPO: Present, widespread
From country itself (1993): widespread in Hokkaido and Honshu.
* Furuta, K. (1989) Journal of Applied Entomology 107 (3), 289-295.
------- var. japonicus.
* Nobuchi A (1974) Studies on Scolytidae XII. The bark beetles of the tribe Ipini in Japan (Coleoptera). Bulletin of the Govervenment Forest Experimental Station (Meguro, Tokyo) no. 266, 33-60.
------- Honshu and Hokkaido.
* USDA (1985) Pests not known to occur in the United States or of limited distribution. No. 66. Spruce bark beetle, Ips typographus. USDA APHIS-PPQ, Beltsville, USA.
------- var. japonicus.
* Nobuchi A (1974) Studies on Scolytidae XII. The bark beetles of the tribe Ipini in Japan (Coleoptera). Bulletin of the Govervenment Forest Experimental Station (Meguro, Tokyo) no. 266, 33-60.
------- Honshu and Hokkaido.
* USDA (1985) Pests not known to occur in the United States or of limited distribution. No. 66. Spruce bark beetle, Ips typographus. USDA APHIS-PPQ, Beltsville, USA.