380 E. T. CRESSON. 



triangular basal space of metathorax deeply channeled down the mid- 

 dle; wings fuscous, the apex of the anterior pair subhyaline, stigma 

 and costal nerve yellowish ; third submarginal cell quadrangular, ob- 

 lique ; legs pale yellowish, the coxae black, and the femora fulvous ; 

 abdomen subpetiolate, pale yellowish; extreme base of first segment, a 

 transverse, wavy band before the middle of the second, sometimes 

 slightly interrupted, and a broad band at base of the third, fourth and 

 fifth segments, narrowed to a point laterally, black; the black band on 

 third segment is continued beneath ; abdomen impunctured. Length 

 4i lines. 



Described from three $ specimens, two of which were collected in 

 Texas by Dr. Gideon Lincecum. This is closely allied to G. abdomi- 

 nalis from Colorado. 



20. Gorytes tricolor, n. sp. 



Female. — l^luck, shining, sparsely punctured, subsericeous ; broad 

 frontal orbits, spot beneath antennae, clypeus, mandibles, except tips, 

 and the palpi, lemon-yellow ; face scarcely narrowed beneath ; clypeus, 

 flattened, its anterior margin truncate; antennae brown-black, the scape 

 beneath yellow; posterior margin of prothorax, tubercles, scutellum, 

 spot over the tegulae, and a transverse line behind tubercles, shading 

 into ferruginous beneath, lemon-yellow ; tegulae, and the metathorax, 

 except basal enclosed space, ferruginous; scutellum crenulated at base; 

 metathorax rounded above and laterally, subtruncate behind; wings 

 subhyaline, the marginal and part of submarginal cells and a longitu- 

 dinal streak about the middle of the wing, fuliginous; stigma and cos- 

 tal nerve fulvous ; third submarginal cell quadrate, scarcely at all ob- 

 lique ; legs ferruginous, the tarsi and part of the posterior tibiae yellow- 

 ish ; abdomen ovate, convex, polished, the second segment and the 

 following segments toward the apex, with scattering punctures; the 

 basal and three apical segments ferruginous, the apex of the former 

 with a broad lemon-yellow fascia, narrowed in the middle anteriorly ; 

 second, third and fourth segments each with a straight lemon-yellow 

 fascia at apex, broadest on the second segment; beneath, the base and 

 apex, and the apical margins of the second, third and fourth segments, 

 ferruginous, the second and third segments with a lateral yellow spot 

 at apex. Length 4 lines. 



One $ specimen. ^ 



21. Odynerus annulatus, Say. 



Odynerus annulatus, Say, Long's Second Exped. ii, p. 348. 

 Two $ specimens. 



