78 E. T. CRESSON. 



beneath, line on collar, tubercles, scutellura, tegulse, spot before and mark on 

 pleura, ferruginous; wings hyaline, apical margin fuscous; legs ferruginous, 

 00X88 and femora behind black; abdomen marked as in 9 > except that the 

 fourth, fifth and sixth segments are ferruginous with a narrow white baud, 

 venter with four white spots. Length .35 inch. 



Hah. — Colorado, Kansas, (Snow S , Morrison 9 )• Tliree speci- 

 mens. 



Nomacla Tltticollis. — 9- — Yellow, opaque, head and thorax densely 

 and strongly punctured; vertex except sides and spot beneath ocelli, and the 

 occiput, black; flagellum ferruginous, second and third joints subequal, the 

 former slightly longer, scape yellow, black behind; mesothorax black with 

 four longitudinal yellow lines; sutures of the thorax narrowly and a stripe 

 on middle of metathorax black; scutellum obliquely flattened, not at all 

 depressed medially; wings faintly dusky, darker at tip; legs pale yellow, a 

 stripe on posterior femora above and beneath and their tibiae within fuscous; 

 abdomen strongly narrowed at base, blackish above, segments 1 — 5 each with 

 a narrow yellow band, broader on the sides, that on first segment with a fus- 

 cous dot on each side posteriorly, apical margin of first segment broadly dull 

 testaceous; venter yellow. Length .35 inch. 



Hah. — Mexico, (Sumichrast). One specimen, 



Dfomada. civilis. — %. — Black, opaque; head and thorax densely and 

 confluently punctured and thickly clothed with short pale pubescence; sides 

 of face extending narrowly up on anterior orbits, clypeus, sometimes a spot 

 above, labrum, mandibles except tips, posterior orbits, scape beneath, line or 

 two spots on collar, sometimes wanting, tubercles, irregular mark beneath, 

 occasionally a small spot on ea<^h side of metathorax, and the tegulse yellow; 

 scape robust, flagellum ferruginous with a black line above, second joint a 

 little shorter than third; scutellum not at all prominent; wings faintly dusky 

 at tips; legs yellow, eoxfe at base, all the femora behind more or less, and a 

 spot on all the tibiae behind, black; tarsi more or less ferruginous; abdomen 

 shining, yellow, basal half of first segment and narrow basal margin of re- 

 maining segments black, apical margin of segments 1 — 4 narrowly fuscous, 

 anterior margin of yellow band on first segment sinuate; venter yellow, some- 

 times banded with black. Length .35 — .45 inch. 



Hah. — Colorado, (Hidings, Morrison). Nine specimens. This is 

 closely allied to the % of luteola St. Farg. 



monBada vicinalis.— '^ . — Black, opaque; head and thorax densely and 

 finely punctured and rather thickly clothed with short pale pubescence, tinged 

 with yellowish on vertex and thorax above, on face and sides of thorax silvery 

 sericeous; an emarginate line on sides of face, line beneath eyes, clypeus, 

 labrum, base of mandibles, scape beneath, tubercles and spot beneath, yellow; 

 scape behind and spots on basal half of flagellum behind black; second joint of 

 flagellum rather more than one-half the length of tiiird; two narrow obscure 

 stripes on mesothorax, scutellum and tegulse, ferruginous; scutellum subbilo- 

 bate, not prominent; wings narrowly fuscous on apical margin; legs ferrugi- 

 nous, posterior coxse and all the femora behind more or less black; abdomen 

 smooth and shining ferruginous, basal half of first segment and spot on extreme 



