Macromia alleghaniensis Williamson

New County Record collected on:
28 June 2009
Richland County, SC
Congaree National Park
Roadkill on National Park Rd. (entry road to visitors center)
Wade B. Worthen
Specimen stored at Congaree National Park

Male genitalia

Overall length consistent with large M. alleghaniensis, M. illinoiensis, or small M. taeniolata.

Yellow band on abd 2 is incomplete above and complete at auricles

Spot on abd 7 is complete and forms a ring; 8 with basal spot and and anterior front corner; 9 with basal inferior margin pale

Dorsal spot on abd 3 not confluent with ventrolateral stripe

Mesotibial spur at most 1/5 the length of the tibia

Curiously, the costa is yellow to nodus and there are mesepisternal pale stripes