Priocnessus Banks, 1925

Waichert, Cecilia, Rodriguez, Juanita, Von Dohlen, Carol D. & Pitts, James P., 2012, Spider wasps (Hymenoptera: Pompilidae) of the Dominican Republic, Zootaxa 3353 (1), pp. 1-47 : 21

Key to females of the species of Priocnessus Banks of the Caribbean Islands

1 Head and mesosoma without white spots, regardless color of integument........................................ 2

- Head and mesosoma with pale yellow or creamy white spots and head whitish streak; Trinidad........... P.ornatus Banks

2 Body reddish or reddish yellow; wings yellow............................................................. 3

- Body not fully reddish, at least mesosoma or metasoma black; wings not yellowish................................ 4

3 Body reddish yellow; antenna pale on first and second joints, black beyond; wings yellowish, darkened basaly, over most of first radial 2 cell, part of third discoidal cell, and apex; Jamaica................................ P. monticulus (Banks)

- Body reddish, apex of metasoma and legs brownish orange; antenna reddish, except apex; wing yellowish hyaline with apex darkened and with a median darkened band; Cuba....................................... P. nubeculatus (Cresson)

4 Apical margin of clypeus with median tooth; metasoma mostly black, with large yellowish spots edged with rufous on each side of first four tergites, last tergite rufous; underside of first antennal joint yellowish; eyes with yellowish spots posteriorly; wings slightely darker beneath; Mexico, Cuba.............................................. P. orbiculatus (Smith)

- Apical margin of clypeus with two lateral teeth; metasoma and legs orange-red; antenna black dorsaly, orange underside; eyes with orange spots in the inner face; hind and fore wings darkened, fore wing darker with purplish reflections; Dominican Republic................................................................ P. vancei Waichert & Pitts sp. nov.