Jet-plane shape with a single dark spot in the middle of the forewing and upturned labial palps (in male). Compare with Faint-spotted Palthis, which has a dark spot in middle of forewing broken by a white line.

Orange Co., NC 8/23/09

Durham, NC 9/2/08

Carroll Co., VA 6/17/06

Carroll Co., VA 6/17/06

Carroll Co., VA 7/4/07

Orange Co., NC 8/23/09

Alleghany Co., NC 9/24/05