April ,806] SUPPLEMENT TO PSYCHE. 27 



along tlie orbital margins nioii- llian half Proiliorax daik, except the vellow on 



as far as the length of the scape, gradually tubercles, which shows a hyaline spot, 



narrowing from the base to a rounded Tegulae entirely dark. Base of metathorax 



termination which recedes a little from the strongly rugose. Wings smoky. Femora 



orbit. Clypeiis with a small black spot black; tibiae black, anterior tibiae orange 



on each lateral margin. I'rothorax with in front, middle tibiae yellow at extreme 



the usual yellow on tubercles, not show- base, hind tibiae with the basal two-fifths 



ing any dark dot; and on the hind margin yellow. Tarsi dark brown, first joint of 



two very small and narrow, hardly noticeable, mid and hind tarsi vellowish-white. Abdo- 



yellow lines. Tegulae wholly dark. Pleura men shining, with sparse pubescence; 



densely and subconriuently punctured; base first segment with minute scattered punc- 



of metathorax rugose, with very large tures. 



shining punctures. Wings hyaline, second I lab. — Colorado; Forrester's Ranch on 



submarginal cell not narrowed one-half Laramie River, Larimer Co., Julv 19, 189:;, 



to marginal. Fenioia black; tibiae black. at Sioo feet (C. F. Baker). 



anterior tibiae yellow in iVont. middle Differs from affinis by the dark hind 



tibiae yellow at extreme base, hind tibiae border of prothorax, and the shape of the 



with the basal two-fifths yellow. Tarsi face-marks; from rugosiihis bv the shape 



with the first joint yellowish-white, the rest of the face-marks, etc. 



dark brown, except the anterior tarsi which Prosapis tridentulus, n. sp. — ^ about 5 



are wholly dark brown. Abdomen shin- mm. long, black with orange markings, 



ing, first segment finely punctured. head and thorax closely punctured, .scutellum 



//«*.— New Mexico; Ruidoso Creek. 7500 with the punctures deep but sparse. Head 



feet on Scrofi/iiiUn in. July 6, 1S95 (E. O. of ordinary size, face tolerablv narrowed 



Wooton, 78) below, vertex closely but hardiv confluently 



Differs from ajfiiiii by the clear wings. punctured, antennae wholly dark, scape 



more produced lateral face-marks, etc. ; from stout. Face below antennae reddish-orange 



riigosiiliis by the lateral face-uiarks termi- (perhaps yellow, altered by cyanide). Su- 



nating more narrowly, and not notched praclypeal pale patch conical, elongated, 



within; from c/V /■/«///•«//.< also by the shape truncate, about two-thirds as long as the 



of the face-marks. clypeus; lateral upward pale extensions 



Prosapis citrinifrons. n sp. — J about 5 narrow, rapidly receding from orbital mar- 

 mm. long, shiny, black with bright lemon gins, so as to be convex outwardly and 

 yellow markings, head and thorax densely concave inwardly, extending upwards very- 

 punctured. Pubescence of plein-a pale, little furthei than the median mark, 

 that of dorsum of mesothorax blackish. Prothorax wholly black e.xcept the 

 Head of ordinary size, face very little nar- usual light patch on tubercles, which 

 rowed below, antennae black, scape little presents a black dot. Tegulae with a 

 dilated; face below antennae bright yellow. light spot. Punctures on pleura rather 

 the yellow in the median line forming a sparse. Base of metathorax rugose-tuber- 

 short broad narrowly truncate prominence, culate. Wings clear with a slight smoky 

 that at the sides extending upwaids along tinge; second submarginal cell very broad, 

 the orbital margin rather more than half little narrowed above. Femora black with 

 the length of the scape, broadly rounded- a light spot at extreme tip; tibiae black, 

 excavated within by the antennal socket, ter- anterior tibiae orange in front, middle 

 minating narrowly and obtusely, at the tip tibiae orange at apex and base, hind tibiae 

 slightly receding from ilie orbital margin. with basal two-fifths and extreme tip orange. 



