Plant Parasites of Europe

leafminers, galls and fungi

Scolytus ratzeburgi

Scolytus ratzeburgi Janson, 1856

birch bark beetle, birch sapwood borer

on Betula

Scolytus ratzeburgi on Betula pendula

Betula pendula; infected stem, after removal of the bark, exposing the gallery system engraved in the wood (from Lukić ao).

Scolytus ratzeburgi on Betula pendula

characteristic for this species is a row, of to 20 cm long, of 2 mm sized openings over the brood gallery.

parasite

Larvae and adults in the bark of weakened trees.

host plants

Betulaceae, monophagous

Betula pendula.

phenology

1-2 Generations. Hibernation as larva.

distribution within Europe

(PESI, 2020).

references

Borowski & Mokrzycki (2016a), Duffy (1953a), Lombardero & Novoa (1994a), Lukić, Zgrablić & Mičetić Stanković (2019a), Marković & Stojanović (2015a), Munroe (1926a), Nikulina, Mandelshtam, Petrov, ao (2015a), Petrov, Mandelshtam & Beaver (2019a), Ring (1977a), Schedl (1980a).

Last modified 17.xi.2020