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Body length : 10-18mm.
Host plant : Pinaceae.
Found in coniferous forests, especially spruce forests.
Adults are commonly found on recently dead or dying conifer trees.
The larvae develop beneath the bark of recently dead, dying or weakened conifers, such as Abies sp., Larix sp., Picea sp., and Pinus sp.
Mainly Picea abies.
This species is difficult to distinguish from T. gabrieli.
Variability of color patterns.
