468 
Psyche 
[Vol. 92 
T. Mediella straight; 2nd recurrent not outcurved on upper 0.5; 
temple 0.6- 1.0 as long as eye in dorsal view; postpetiole 
0.9- 1.4 as wide apically as long from spiracle to apex; 2nd 
gastric tergite smooth and shining with variably developed 
delicate microreticulation, solid red or red and blackish. . .2 
2. Flagellum without white band; propodeal cristae large, strongly 
projecting ligulate or subligulate; epomia bent mesad above, 
where it delimits an appressed triangular area; malar space 
0.9 as long as basal width of mandible 
2. C. huascar (Porter) 
2'. Flagellum marked with white; propodeal cristae well developed, 
broadly subligulate, not so prominently projecting as in the 
previous species; epomia strong but not modified at its upper 
end; malar space 0.6-0. 8 as long as basal width of mandible 
3 
3. Median 0.3 of clypeus produced and with a pair of blunt tuber- 
cles; 1st flagellomere 2. 6-3.0 as long as deep at apex; in most 
specimens setae of 2nd gastric tergite average palpably short- 
er than the length of their interspaces 
8. C. weyrauchi (Porter) 
3'. Clypeal apex etuberculate; 1st flagellomere 3. 7-5.0 as long as 
deep at apex; setae of 2nd gastric tergite consistently exceed 
the length of their interspaces 4 
4. Mesoscutum strongly shining with abundant but delicate puncta- 
tion and wrinkling; flagellum with only the 3rd tyloid (count- 
ing from base) unusually broad, the rest ovoid to linear 
5. C. diplatys (Porter) 
4'. Mesoscutum rather dully shining, with abundant dense punc- 
tures and wrinkles; flagellum with at least 2nd and usually 
1 st— 3rd tyloids broadly oval 
4. C. violaceipennis (Cameron) 
1. Cosmiocryptus occidens Porter, new species 
(Fig. I) 
female. Color: scape dull reddish brown, antenna otherwise 
nearly black; head and mesosoma black with brown staining on 
mandibles, a dull to pure white spot on base of mandible, and a 
brownish white to mostly white area on clypeus, as well as with the 
