230 E. T. CRESSON. 



Cerceris morata, n. sp. 



9 . — Black, clothed with pale sericeous pubescence,- sides of face, extend- 

 ing up on each side of antennae, clypeus, mandibles except tips, spot behind 

 summit of eyes, scape beneath, two nearly contiguous spots on prothorax 

 above, postscutellum, a large spot on each side of metathorax and most of tegu- 

 Ise, bright yellow,- occiput more or less varied with ferruginous; clypeal pro- 

 cess very prominent and much produced, quadrate, the anterior margin broad, 

 slightly concave and tinged with fuscous, beneath it is concave, forming, as it 

 were, a roof over apex of clypeus which is margined with black; antennfe 

 black with basal half and apical joint j^ale fulvous; scutellum pale ferrugin- 

 ous, sometimes tinged with yellow; basal space of metathorax longitudinally 

 striated; wings fuliginous, apical margin much darker, costal nerve and 

 stigma fulvous; legs honey-yellow, tibiae more or less pale yellow; abdomen 

 with an apical pale yellow band on all the segments except the last, that on 

 first segment slightly interrupted centrall}' and margined anteriorly with ful- 

 vous; that on second and fifth segments broad and regular; that on third and 

 fourth segments broad laterally and narrowed centrally and sometimes mar- 

 gined anteriorly with ferruginous; apical segment dull ferruginous; venter 

 banded with ferruginous and spotted laterally with yellow. Length .55 inch. 



Two specimens. (Belfrage.) Closely resembles vicina, Cress., but 

 tbe clypeal process is quadrate and not narrowed anteriorly as in tbat 

 species, which is also smaller. 



Cerceris conipacta. 



Cerccris compacta, Cress. Proe. Ent. Soc. Phil, v., p. ]27. 

 Seven % 9 specimens. (Belfrage; Boll) The yellow lateral yel- 

 low spot en metathorax is generally distinct and the first and second 

 abdominal segments are occasionally tinged with ferruginous. 



I'erceris nigrescens. 



Cerceris nigrescent, Smith, Brit. Mus. Cat. iv., p. 466. 

 (^ne 9 specimen. (Belfrage.) 



Cerceris laseiola. n. sp. 



%. — Black, clothed with long white pubescence; all beneath antenn:«. dot 

 behind summit of eyes, scape beneath, two spots on prothorax above, tegiihe 

 and postscutellum, lemon-yellow; middle of clypeus prominent, depressed 

 medially at tip, apical margin and tip of mandibles, black; antennae pale ful- 

 vous, dusky above, apical joint as long as the preceding, curved, with obtuse 

 tip; basal space of metathorax smooth and shining, depressed centrally and 

 punctured laterally ; wings yellowish-hyaline, the costa dusky beyond stigma ; 

 legs lemon-yellow, all the coxae, except yellow spot on posterior pair out- 

 wardly, four anterior trochanters, base of their femora above, apex of posterior 

 pair, and apical half of their tibiae above, black ; apex of posterior tarsi dusky ; 

 abdomen densely punctured, first segment subglobose, all the segments, ex- 

 cept the last, with a continuous yellow apical band, slightly narrowed cen- 

 trally, that on first segment indented centrally and slightly interrupted; ven- 

 ter black, shining, segments 2 — 4 with an obscure yellowish lateral spot. 

 Length .42 inch. 



One specimen from Comal Co. Allied to deserta. Say. 



