Which pest infests cereals and whole grains and has wings that are pale grey or tan?

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Multiple Choice

Which pest infests cereals and whole grains and has wings that are pale grey or tan?

The key idea here is matching a stored-grain pest to both where it infests and what the adult looks like. The Indian meal moth is a classic pantry pest that infests cereals and other stored grains. Its adults have wings that are pale grey or tan, which fits the description given. This combination of host (cereals and whole grains) and the pale grey/tan wing color makes it the best match. Granary weevils are beetles with a distinctive snout and, if present, wings under hard wing covers but they aren’t characterized by pale grey or tan wings in typical identification. Saw-toothed grain beetles are small, flat, brown beetles with saw-like edges but again don’t have that pale tan wing appearance. Cockroaches aren’t a primary grain pest and their wing coloration and shape differ markedly from the pale grey/tan pattern described for the moth.

The key idea here is matching a stored-grain pest to both where it infests and what the adult looks like. The Indian meal moth is a classic pantry pest that infests cereals and other stored grains. Its adults have wings that are pale grey or tan, which fits the description given. This combination of host (cereals and whole grains) and the pale grey/tan wing color makes it the best match.

Granary weevils are beetles with a distinctive snout and, if present, wings under hard wing covers but they aren’t characterized by pale grey or tan wings in typical identification. Saw-toothed grain beetles are small, flat, brown beetles with saw-like edges but again don’t have that pale tan wing appearance. Cockroaches aren’t a primary grain pest and their wing coloration and shape differ markedly from the pale grey/tan pattern described for the moth.

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