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Picture library: 2004885

Dendroctonus micans. Typical quilting of packed frass caused by spruce bark beetle.

Reference: 2004885

Dendroctonus micans. Typical quilting of packed frass caused by spruce bark beetle.
Date Taken: 19th August 1982

Photographer: M. Jukes
Copyright: Crown Copyright
Credit line: Forestry Commission / M. Jukes

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