180 
Psyche 
[December 
3. Anterior margin of clypeus laterally with blunt teeth, 
its shallow nearly straight emargination with two low 
projections. Narrowed apex of seventh tergite broad- 
ly rounded; ventral lobes of seventh tergite broad, 
about twice as long as wide, broadly triangular at 
apex. Apex of seventh sternite broadly triangular, 
the more heavily sclerotized portion spear-shaped. 
Median spine of eighth sternite borne on a spear- 
shaped projection much narrower than the basal 
portion brevipennis Walsh 
Anterior margin of clypeus evenly rounded. Apex of 
seventh tergite narrowed into a flattened truncate pro- 
jection with a small but distinct median emargination ; 
ventral lobes of seventh tergite slender, nearly three 
times as long as wide, narrowly triangular at apex. 
Seventh sternite narrowly triangular, truncate at 
apex, the more heavily sclerotized portion of similar 
shape. Median spine of eighth sternite on a broad 
triangular projection texanus Cress. 
4. Posterior margin of clypeus practically straight. An- 
tennal segments 7-13 with distinct tyloids. Sides of 
first tergite (in dorsal view) slightly convex. Thorax 
conspicuously hairy. Mesopleura, metapleura, and 
propodeum mostly or entirely black 
occidentalis Parker 
Posterior margin of clypeus emarginate. Antennal 
segments 6-13 with distinct tyloids. Sides of first 
tergite (in dorsal view) concave. Thorax not con- 
spicuously hairy. Mesopleura, metapleura, and pro- 
podeum almost entirely yellow iridis, sp. nov. 
5. Sixth tergite with a pygidial area 6. 
Sixth tergite without a pygidial area defined by lateral 
ridges. Posterior margin of clypeus practically 
straight. Lateral margins of first tergite slightly 
convex. Thorax conspicuously hairy. Mesopleura, 
metapleura, and propodeum mostly or entirely black 
occidentalis Parker 
