Pepsinae Lepeletier de Saint Fargeau 1845
Creators: name: Waichert, Cecilia
name: Rodriguez, Juanita
name: Von Dohlen, Carol D.
name: Pitts, James P.
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Pompilidae

description: Key to the Pepsinae of the Dominican Republic  1 Metasomal sternum 2 of female (and often male) with transverse groove (Figs 5F, I); metasomal tergum 1, in dorsal view, with sides evenly convergent anteriorly or slightly convex, in lateral view with suture delimited latero tergum............... 2  
- Metasomal sternum 2 without such groove (Figs 4I–J); metasomal tergum 1, in dorsal view, with sides somewhat concave, giving petiolate appearance, in lateral view without suture delimited latero tergum................................ 11  
 2 First radial 2 cell separated apically from costal margin of wing, so that apex of cell is rounded (Fig. 2A); large or very large individuals (Pepsis Fabricius)........................................................................... 3   
- First radial 2 cell apically adjacent to costal margin of wing, so that apex of cell is acute or sub-truncate (Fig. 2D); medium or small individuals..................................................................................... 5  
 3 Males and females with fore wing broadly darkened basally and apically, medially orange or red; hind wing mostly darkened; fore wing with whitish apical band (Figs 3A, D)............................................ Pepsis rubra (Drury)   
- Fore wing fully darkened or darkened only apically, without whitish apical band (Figs 3B–C, E)..................... 4  
 4 Wing orange-amber with dark apical band (Fig. 3E); antenna black................. Pepsis marginata Palisot de Beauvois   
 - Wing black with weak blue-violet reflections (Figs 3B–C); antenna orange................. Pepsis ruficornis (Fabricius)   
 5 Mandible with three teeth; wing with dark bands on radial sectors and whitish band apically (Fig. 5G); female (male unknown) with cardo of each maxilla having fascicle (beard) of long curved setae (Fig. 1B).................................................................................................... Dipogon marlowei Waichert & Pitts, sp. nov.   
- Mandible with two teeth; wing lacking bands; cardo of maxilla without fascicle (beard) of long setae in either sex........ 6  
 6 2m-cu vein meeting second radial sector at about its apical 0.9; first radial sector occupied basally by distinct subcircular irregularity in membrane; large species............................................ Hemipepsis toussainti (Banks)   
 - 2m-cu vein meeting second radial sector at or basad of its apical 0.25; first radial sector not occupied basally by irregularity in membrane........................................................................................... 7   
 7 Carina on mesosternum in front of each middle coxa angled medially, angle usually produced as tooth; metasoma with two tumid regions on second sternum; last tarsal segment of hind leg with lateral rows of spines beneath (Entypus Dahlbom)... 8   
- Carina on mesosternum in front of each middle coxa evenly curved; metasoma without tumid regions on second sternum; last tarsal segment of hind leg without or with few irregularly placed spines......................................... 9  
 8 Antenna orange; wing yellowish with apex darkened................................. Entypus ochrocerus (Dahlbom)   
 - Antenna black; wing reddish yellow, base and apex darkened (male unknown)................... Entypus manni (Banks)   
 9 Hind wing with cu-a ending distad of juncture of M with Cu; clypeus very large (Fig. 1H); individuals black, except for metasoma and legs orange (Figs 5K–L)............................... Priocnessus vancei Waichert & Pitts, sp. nov.   
 - Hind wing with cu-a ending distinctly basad of juncture of M with Cu; clypeus short (Figs 1C, G); individuals either completely black or completely orange.................................................................. 10   
 10 Fore tibia of female without single, unusually stout bristle on its outer apical corner; hind tibia smooth; pronotum of normal length, posterior margin curved; body black........................................... Priocnemis cornica (Say)   
 - Fore tibia of female with single, very stout, blunt, unusual bristle at its outer apical corner; hind tibia with chevron spines (Figs 5I–J, F); pronotum quite short, posterior margin straight vertically; body orange with metallic reflections (Fig. 5J) (male unknown)..................................................................... Caliadurgus maestris Alayo   
 11 Female with bare pygidial area and strong bristles arising from mentum; propodeum with long, abundant erect setae (Fig. 2B); male with carina separating propodeum laterally from metapleuron (Fig. 2B) (Auplopus Spinola).................... 12   
 - Female without bare pygidial area or bristles on mentum; propodeum usually without erect setae, although present on Ageniella ursula (Banks); male lacking carina separating propodeum laterally from metapleuron (Fig. 4C) (Ageniella Banks).................................................................................................... 13   
 12 Species black with slight bluish-purple reflections; legs orange (male unknown) (Figs 5C–D).......................................................................................... Auplopus charlesi Waichert & Pitts, sp. nov.   
 - Species metallic blue; legs same color as body (male known) (Fig. 5A–B).................... Auplopus bellus (Cresson)   
 13 Metasoma and dorsum of mesosoma orange; legs black with purple reflections (Fig. 4I).... Ageniella violaceipes (Cresson)   
- Body black or metallic blue; if metasoma orange, then its apex black; legs same color as body....................... 14  
 14 Body with strong metallic blue reflections (Figs 4E–F); clypeus large; with apical tooth in females (Fig. 1E); wing strongly darkened; large species......................................................... Ageniella domingensis (Banks)   
- Body with weak blue reflections, almost inconspicuous in some specimens; clypeus trapezoidal, without apical tooth; wing variable; small species................................................................................ 15  
 15 Wing subtranslucent, never darkened (Fig. 4J); clypeus orange (Fig. 1G), legs somewhat dark-reddish, contrasting with black body............................................................................ Ageniella ursula (Banks)   
- Wing darkened; clypeus and legs not contrasting with body.................................................. 16  
 16 Female with mesosoma black and metasoma orange (Fig. 4G), male completely black; both sexes with bluish-purple reflections (Figs 4G–H); female with hind tibia serrate; male with hind tibial spurs whitish........ Ageniella dowii (Banks)   
 - Females and males with body completely black; bluish reflections almost inconspicuous (Figs 4C–D); female with hind tibia smooth; male with hind tibial spurs black............................................... Ageniella bruesi (Banks)
description: Published as part of Waichert, Cecilia, Rodriguez, Juanita, Von Dohlen, Carol D. & Pitts, James P., 2012, Spider wasps (Hymenoptera: Pompilidae) of the Dominican Republic, pp. 1-47 in Zootaxa 3353 (1) on pages 6-7, DOI: 10.11646/zootaxa.3353.1.1, http://zenodo.org/record/5251730