| 1. | Bark beetles ( family Scolytidae ) are important symbiotic partners of ascomycetes.
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| 2. | It is one of the major aggregation pheromones of the bark beetle.
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| 3. | European bark beetles have the ability to spread quickly over large areas.
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| 4. | "What we found were infestations of bark beetles, " she said.
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| 5. | We have lost many large pines that became vulnerable to pine bark beetles.
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| 6. | The culprit was Dutch elm disease, a fungus spread by elm bark beetles.
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| 7. | In the later outbreaks the die-back was attributed to the elm bark beetle.
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| 8. | These phloem-feeding bark beetles use phloem-infesting fungi as an addition to their diet.
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| 9. | Species involved include bark beetles, weevils, sawyer beetles, and soil-nesting bees.
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| 10. | The primary source of prey for these bark living hunters is bark beetles.
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