Dendroctonus frontalis
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Author: Erich G. Vallery, USDA Forest Service
Source: IPM images
Dendroctonus frontalis Zimmermann (southern pine beetle)
The beetle is a major pest of pine forests in North America. Populations undergo cyclic fluctuations every 7-12 years. The beetle introduces a pathogenic blue-stain fungus (Ophiostoma minus) into the trees which blocks water movement. During outbreaks, mass aggregations are initiated by pheromones like frontalin. The beetles bore into the bark and feed on the phloem. The outbreak areas are characterized by scattered pockets of dead and dying trees.
| Vernacular names | |
|---|---|
| • English: | southern pine beetle |
| • Español: | escarabajo de pino sureño |
| • Français: | dendroctone méridional du pin |
For details see the respective page in the BugwoodWiki.
- Other images of Dendroctonus frontalis (IPM Images and PaDIL - click to enlarge)
male (left) and female (right)
life cycle
pupa
life cycle
adult in pitch tube
pitch tubes on bark surface
galleries in pine bark
infestation on pines
distribution of outbreaks
mounted female
head of female
head and thorax of female
pronotum of female
posterior view
