Black spruce borer
The black spruce borer is a longhorn beetle with a black head and black or brown wing cases. Its wing cases have long ridges running down them, like the lines on corduroy trousers. It lives in pine and spruce forests.
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Fun facts
It takes two to three years to grow from an egg into a beetle.
You can meet the grown-up beetles from May through August.
Its favourite trees are pines, like the Scots pine, but it also uses spruce, fir and larch.
The larvae start their life under the bark and later move into dead branches and tree stumps.
Most asked questions about Black spruce borer
?How big is the black spruce borer?
It is 8 to 23 millimetres long.
?What does the black spruce borer eat?
Its larvae eat the wood of pine, spruce, fir and larch trees, mostly under the bark and in dead wood.
For bug experts
- Scientific name
- Asemum striatum
- Group
- Beetles
- Family
- Cerambycidae
- Classification
- Insecta > Coleoptera > Cerambycidae
- Lives on
- Europe, Asia, North America
Where the facts come from
- Asemum striatum (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
- Picture by Hectonichus. CC BY-SA 3.0, Wikimedia Commons. The sticker of this bug is drawn from this picture.
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