Trypodendron lineatum
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Author(s): Robert Dzwonkowski
Source: IPM Images
Trypodendron lineatum (Olivier) - (striped ambrosia beetle)
This ambrosia beetle is considered a pest of conifers in Europe and North America. The beetles attack primarily trees that are damaged by wind storms, are stressed or have been attacked by other bark beetles. It also breeds in freshly felled trunks, up to 5 months after felling. The females introduce a symbiotic fungus into the trees which grows in the wood and serves as food for the larvae. There is one generation per year.
Spruce, pine and other species of conifers are infested. The damage to the value of the timber can be significant and up to 260 galleries in a square foot of wood have been counted. It also poses a quarantine risk of being transported into other countries trough the transport of timber.
| Vernacular names | |
|---|---|
| • Deutsch: | Gestreifter Nutzholzborkenkäfer Linierter Nutzholzborkenkäfer |
| • English: | lineate bark beetle striped ambrosia beetle |
| • Español: | bostrico estriado |
| • Français: | bostryche liseré scolyte birayé |
Synonyms:
Xyloterus lineatus
- Other images of Trypodendron lineatum (IPM Images and PaDIL - click to enlarge)
galleries and associated blue stain infection and Pinus ponderosa
galleries
female
male
female
male
head
head
antenna
pronotum
posterior end
