Frass

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Definition

Frass is another better scientific word for insect poop.

Characteristics

Cockroach frass

  • German cockroach
  • Brown banded cockroaches
  • Asian cockroaches
Image of frass and larval casings caused by carpet beetle infestation of this carpet


Dermestid frass

  1. Carpet beetle
  2. Flour beetle

Online Resources

There are a lot of other gross images of frass on the Integrated Pest Management Working Group's museumpests.net website
Visit the Pest Odyssey website