Common in Maryland in fields and meadows. Adults feed on pollen including that of corn, sorghum, and other Poaceae (BugGuide). Larvae are known to feed on corn pollen and sap, but not considered to be a major pest (Skevington, 2019). Flies primarily July through September.
Readily identified by the distinctive abdominal pattern of blue and black bands together with medial bands in tergites 3-5. Noticeably larger, and with a more limited flight period, than the more common T. marginatus and T. geminatus.
There are 157 records in the project database.
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