Darkling Beetle - Strongylium crenatum (female, 7-11 mm)
Note coarse punctures on elytra and scalloped (crenate) margin of pronotum. Lacks setae on front tibiae and tarsi of males, so a female. Widespread in SE USA, but not common.
Another observation from the group:
www.inaturalist.org/observations/229350501
References