Temnostoma alternans Loew
Diagnostic description:
Temnostoma alternans Loew, 1864.
Loew, H. (1864) Diptera Americae septentrionalis indigena. Centuria quinta. Berliner entomologische Zeitschrift 8, 49-104.
Distribution:
Nearctic species known from Saskatchewan to Nova Scotia, south to Ohio and Georgia (Thompson 2010).