180 E. T. CRESSON. 



base of posterior femora black; abdomen broad ovate, coarsely granulated, 

 rounded at tip, base with two sharply defined carinse converging posteriorly 

 and a lateral honey-yellow spot; venter honey -yellow at base. Length .20 in. 



Two specimens. (Belfrage.) 

 Clielonus electus, n. sp. 



% 9> — Black, opaque, densely and finely granulated, with a short, pale, 

 glittering, sericeous pile, dense on the face of the % ; clypeus shining, tips of 

 mandibles yellowish ; metathorax abrupt and excavated at tip, lateral angles 

 prominent; tegulse piceous; wings hyaline, dusky on apical half, stigma 

 black; anterior femora except base, apex of intermediate pair, four anterior 

 tibiae and base of tarsi, posterior tibiae except base and apex, and base of their 

 tarsi, honey-yellow; abdomen with two whitish spots, sometimes confluent 

 forming a broad band at base where the surface is more or less longitudinally 

 rugose, and having a short longitudinal carina on each side, apex rounded. 

 Length .17 inch. 



Two specimens. (Coll. G-. W. Belfrage.) 



Oielonus coniiectens, n. sp. 



9. — Black, opaque, subsericeous ; head densely punctured, clypeus shi- 

 ning, finely punctured, apical margin smooth and polished; mandibles yellow- 

 ish, palpi dusky; scape ferruginous; thorax shining, coarsely punctured ; scu- 

 tellum sparsely punctured; metathorax rugose, deeply excavated posteriorly, 

 lateral angles very prominent, subacute; pleura with large confluent punc- 

 tures; tegulse piceous; wings hyaline, apical half dusky, stigma blackish; legs, 

 including coxae, honey-yellow or ferruginous, jxisterior trochanters, tips of their 

 tibiae and their tarsi except base, fuscous, remainder of tibiae and base of tarsi 

 pale; abdomen sericeous, confluently punctured or somewhat coarsely granu- 

 lated, base above with two large yellowish-white spots confluent anteriorly. 

 Length .19 inch. 



One specimen. (Coll. G. W. Belfrage.) 



Clielonus cautus, n. sp. 



9 • — Black, subsericeous, head and thorax somewhat shining, feebly punc- 

 tured; tips of mandibles and palpi testaceous; scutellum polished ; metathorax 

 coarsely reticulate, truncate and excavate behind, lateral angles rather promi- 

 nent, obtuse; tegulae pale piceous; wings subhyaline, darker on apical half, 

 stigma fuscous; legs black, all the trochanters, anterior femora except base, 

 four anterior tibiae, their tarsi except tips, posterior tibiae except tips and base 

 of their tarsi yellowish ; abdomen finely and longitudinally sculptured, a large 

 yellow spot, rounded posteriorly, occupies nearly the basal fourth of the seg- 

 ment; apex of abdomen rounded, with a deep transverse shining incision. 

 Length .15 inch. 



Two specimens. (Belfrage.) 



Chelomis luticinctiis, n. sp. 



9. — Elongate, black, somewhat shining, subsericeous: head and thorax 

 above finely punctured ; mandibles and scape beneath dull ferruginous; scu- 

 tellum shining; lateral angles of metathorax not prominent; pleura coarsely 

 punctured; wings uniformly pale fuliginous, iridescent, stigma black; legs 

 ferruginous, coxae, tips of posterior tibiae and of the tarsi black; abdomen 



