Ips amitinus

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Ips amitinus (click on image to enlarge it)
Author(s): Ken Walker, Museum Victoria
Source: PaDIL

Ips amitinus (Eichhoff, 1871) - (eight-toothed spruce bark beetle)

This bark beetle is mainly found in central and eastern parts of Europe. Since the 1970s, it has expanded its range considerably to the north-east (Økland et al., 2019). I. amitinus attacks predominantly spruce trees, but also pine, fir and larch, often contributing to tree mortality. It prefers the smaller trunks in the middle parts of the crowns or young trees. Often wind-felled and weakened trees or trees already attacked by Ips typographus are infested. The galleries are characterized by 4-6 longitudinal arms. There are 1-2 generations per year and the adults overwinter in litter on the ground.

Vernacular names
• Deutsch: kleiner achtzähniger Fichtenborkenkäfer
kleiner Buchdrucker
• English: eight-toothed spruce bark beetle
• Français: petit bostryche du pin

The beetle is 3½-4½ mm long and dark brown. The elytra have longitudinal rows of clearly defined dots. The declivity has 4 teeth, the 3rd being the most prominent one.