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drugstore beetle larvae in glue layer

drugstore beetle larvae in glue layer

Within infested paintings, larvae of the drugstore beetle (Stegobium paniceum) chew tunnels in the supporting layer of glue paste reinforced with a gauze sheet, and examples here show that they tend to chew in the direction of the gauze yarn in the glue paste. (Image originally published in Lee et al 2021, Journal of Economic Entomology)

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