Monochamus impluviatus
Monochamus impluviatus, the Siberian speckled sawyer, is a species of beetle in the family Cerambycidae. It was described by Victor Motschulsky in 1859. It is recorded from east of the Ural Mountains in Russia through to the Russian Far East, as well as Mongolia, Northeast China and North Korea.

References

impluviatus
Beetles described in 1859