Original description:
PAINTER, REGINALD HENRY & HALL, JACK CLAYTON
1960 A monograph of the genus Poecilanthrax (Diptera: Bombyliidae).
Tech. Bull. Kans. St. Univ. Agric. Exp. Sta. 106: 1–132. (15 June)
https://babel.hathitrust.org/cgi/pt?id=coo.31924016936852;view=1up;seq=5