Photo Credit: Jeff Hahn
Photo Credit: Ken Gray Collection, Oregon State Univ.
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Book louse |
| Size: Up to 3/16 inch long. |
Where/When: Found outdoors, on tree bark, plant foliage, or under stones. Found indoors in damp, warm, undisturbed places where mold and fungi are growing, especially during spring and summer. |
| Significance: Nuisance. They are harmless to people and essentially harmless to property; on rare occasion, they can damage some paper products. |
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