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saw-toothed grain beetle
Saw-toothed grain beetle (Oryzaephilus surinamensis).
flat grain beetle
insect
Also known as: Silvanidae
flat grain beetle, any member of the insect family Silvanidae (order Coleoptera), closely related to and sometimes included in the flat bark beetle (q.v.) family Cucujidae. These beetles are usually less than 3 millimetres (0.1 inch) in length.
Many species live under the bark of trees. Others (e.g., the saw-toothed grain beetle Oryzaephilus surinamensis) feed on grains and have become serious pests wherever grain is stored.
This article was most recently revised and updated by Amy Tikkanen.
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