Bark beetle damage
![Bark beetle natural history illustration by Lizzie Harper](https://lizzieharper.co.uk/wp-content/uploads/2018/04/pests-bark-beetle-398x525.jpg)
Spruce Bark beetle Ips typographus inset illustration against a background showing maternal and larval galleries in bark
Spruce Bark beetle Ips typographus inset illustration against a background showing maternal and larval galleries in bark