226 
Psyche 
[September 
3. Hind tibiae serrate in profile, also quite strongly spinose; most 
species with a prominence on lower part of mesopleurum 
Alasagenia Banks 
Hind tibiae smooth, non-serrate, and with only small spines; 
mesopleurum without a prominence Lissagenitt Banks 
4. Front, in lateral view, somewhat angulate (either at the antennal 
sockets or between sockets and ocelli), above the angulation 
quite flat; mandibles unusually broad, the tooth small (Fig. 6) 
Cyrtcigenia, new subgenus 
Front, in lateral view, more or less gently rounded; mandibles 
not modified as above 5 
5. Hind tibia not at all serrate, smooth or with rows of very small 
spines Ageniella Banks 
Hind tibia serrate in profile 6 
6. Brush on inner side of hind tibia with a subapical interruption; 
pronotum somewhat elongate N emagenia Banks 
Brush on inner side of hind tibia without a subapical interruption 
Priophanes Banks 
References 
Arle, R. 
19+7. Nouvelles especes de Pompilidae du Bresil (Hymenoptera) . Rev. 
de Ent., 18: 416-428. 
Arnold, G. 
1934. Psammocharidae of the Ethiopian region. Part 2. Ann. Trans- 
vaal Mus., 15: 283-399. 
Banks, N. 
1946. Studies of South American Psammocharidae. Part 1. Bull. Mus. 
Comp. Zool., 96 : 311-525. 
Evans, H. E. 
1966. A revision of the Mexican and Central American spider wasps 
of the subfamily Pompilinae (Hymenoptera: Pompilidae). Mem. 
Amer. Ent. Soc., no. 20, 439 pp. 
Haupt, H. 
1959. Elemente einer systematischen Aufteilung der Macromerinae m. 
(Hymenoptera-Sphecoidea). Nova Acta Leopoldina, (9) 21, no. 
141, 74 pp. 
Townes, H. 
1957. Nearctic wasps of the subfamilies Pepsinae and Ceropalinae. 
Bull. U.S. Nat. Mus., no. 209, 286 pp. 
