Polygraphus proximus found in Irkutsk province, Russia
In Russia, Polygraphus proximus (Coleoptera: Scolytidae – EPPO A2 List) is a Far Eastern species which has been introduced in Central European Russia, and in Siberia where it has become a serious pest of Abies sibirica in taiga forests. In July 2017, P. proximus was found for the first time in the Irkutsk province (Eastern Siberia). Specimens were collected on A. sibirica trees showing signs of infestation in the Utulik village which is near a major freight terminal of the Trans-Siberian railway. In Russia, the native range of P. proximus covers Khabarovsk and Primorsky territories, Sakhalin and Kuril Islands (Far East). The invaded range now includes the following regions: Leningrad, Moscow (Central European Russia); Altai Republic and Territory, Kemerovo, Khakassia, Novosibirsk, Tomsk (Western Siberia); Irkutsk, Krasnoyarsk (Eastern Siberia).
The situation of Polygraphus proximus in Russia can be described as follows: Present, only in some areas (native to the Far East, introduced into Central European Russia, Western and Eastern Siberia).
Sources
Bystrov SO, Antonov IA (2019) First record of the four-eyed fir bark beetle Polygraphus proximus Blandford, 1894 (Coleoptera, Curculionidae: Scolytinae) from Irkutsk Province, Russia. Entomological Review 99(1), 54–55.