Uncommon. Flies mostly in April and May in Maryland. Has been found near seeps along sandy streams, patrolling rotting stumps and logs, and visiting Crataegus (hawthorn) flowers (Skevington, 2019). Larvae are unknown.
Large and beautiful fly, measuring 13.5-18.1 mm. Easily identified by the "large apical orange markings on the tergites, and the orange proleg" (Skevington, 2019). Thought to mimic paper wasps (genus Polistes) (BugGuide).
There are 22 records in the project database.
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