Length: 3-5 mm
Sumitrosis inaequalis has been reported from 52 of West Virginia's 55 counties. Adults are usually encountered in May, June, and July, though there are West Virginia records as early as April and as late as October.
The larval food plants are legumes. Adults are sometimes seen on Eupatorium (Boneset species).
A related legume feeder that is also widespread in West Virginia is the Locust Leaf Miner, Odontota dorsalis.
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Insects of West Virginia