242 E. T. CRESSON. 



abdomen strongly and closely punctured, coarsely so towards apex, apical mar- 

 gins of first and second segments slightly reflexed; second ventral segment 

 margined at apex with yellow. Length .40 inch. 



'J,. — Clypeus entirely, narrow anterior orbits, labrum and stripe on mandi- 

 bles, yellow ; clypeus deeply notched at apex ; antennae sometimes rufo-testa- 

 ceous beneath; first and second abdominal segments more strongly reflexed 

 than in 9- Length .35 inch. 



Four specimens. (Belfrage.) Also found in Colorado. 



Odynerus fulvipes. 



Odynerus fulvipes, Sauss. Mon. des Guepes Sol. Suppl. p. 205. 

 One 9 specimen. (Belfrage.) 



Odynerus ruiidatus, n. sp. 



9. — Black, closely and coarsely punctured, subsericeous; small spot be- 

 tween base of antennae, dot in emargination of eyes, upper margin of cly[)eus, 

 labrum, spot on base of mandibles, spot behind eyes, broad anterior margin of 

 prothorax, its posterior margin narrowly, dot behind tegulse, postscutellum. 

 lateral angles of metathorax, round spot beneath tegulse, knees beneath, broad 

 apical margins of first and second abdominal segments, that on the first dilated 

 laterally, a round spot on each side of second segment near base, narrow apical 

 margins of third and fourth segments, and a spot on each apical corner of sec- 

 ond ventral segment, all lemon yellow ; sometimes there is a yellow dot on pos- 

 terior middle of mesothorax; clypeus coarsely punctured, subemarginate at 

 tip; mandibles long, grooved, tinged with ferruginous towards apex; scape 

 rufo-piceous, yellowish beneath; tegulse ferruginous, sometimes pupilled with 

 dusky; wings fusco-hyaline, fuscous along costa; legs ferruginous, eoxas black; 

 abdomen more or less strongly sericeous; first segment rounded at base, 

 densely and strongly punctured, narrower than second segment, sometimes 

 more or less tinged with ferruginous and the apical yellow band sometimes 

 quite narrow; second segment densely and strongly punctured, coarsely so 

 towards apex, remaining segments less strongly punctured. Length .35 — .40 

 inch. 



%. — Strongly sericeous; clypeus entirely, a cuneiform mark between an- 

 tennae, anterior orbits as far up as emargination of eyes, and short line behind 

 eyes, white or pale yellow; clypeus deeply notched at tip; antennae long, 

 scape whitish beneath, flagellum fulvous beneath, thickened at tips, apical 

 joint shaped as usual, entirely black; posterior margin of prothorax some- 

 times entirely black; spot on posterior middle of mesothorax often present; 

 metathorax sometimes entirely black; tibiae yellowish beneath; all the ab- 

 dominal segments above except the last, and the second ventral, margined 

 with yellow at apex. Length .30 — .35 inch. 



Twelve specimens. (Belfrage j Boll.) Closely allied to anonnis, 

 Say, from which it may be distinguished by the ferruginous legs. 



0<lyiiei'n<« aiioruiis. 



Eamenes anonnis, Say, Long's 2d Exped. ii., p. 346. 



Nine S 9 specimens. (Belfrage j Boll.) 



