How to distinguish 3 most common speces of Hylastes (Scolytidae)
Mikhail Mandelshtam
H. opacus
Er. (2.9-3.5 mm)
H. brunneus
Er. (3.5-4.5 mm)
H. cunicularius
Er. (3.5-4.4 mm)
Hylastes
opacus
Hylastes
brunneus
Hylastes
cunicularius
Hylastes
opacus
Hylastes
brunneus
Photo by A.N. Scherbakov (MSUL, Moskow)
