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Foresters urged to be vigilant after invasive bark beetle spotted in Ireland
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What's wrong with my plant? : Garden : University of Minnesota Extension
Region 10 - Forest & Grassland Health
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Eight-Toothed Spruce Bark Beetle - Woodland Trust
Ips amitinus (small spruce bark beetle) | CABI Compendium
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RI DEM/Agriculture Spruce Wood Engraver Fact Sheet
Forest Pest Insects in North America: a Photographic Guide
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Ips (beetle) - Wikipedia
