What key trait differentiates the larder beetle from the sawtoothed grain beetle?

Answer

Dietary flexibility between animal debris and pantry staples.

Larder beetles exhibit flexibility by feeding on structural animal debris in addition to pantry staples, unlike pests such as the sawtoothed grain beetle which are generally restricted to processed grains and flour.

What key trait differentiates the larder beetle from the sawtoothed grain beetle?
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