AMERICAN IIYMENOPTERA. 259 



Twosubmarginal cells, the second receiving both recurrent nervures : apex of 



marginal cell rounded 14. Belfragei. 



Three subinarginal cells. 



Second submarginal cell receiving both recurrent nervures, the third 



small, quadrate 15. nubecula. 



Second and third submarginal cells receiving each a recurrent nervure. 

 Third submarginal cell narrow, transversely elongate-quadrate; color 

 dark castaneous, with pale pubescence; antennae and legs paler; 

 apex of first abdominal segment nearly as broad as the base of 



second 16. castanea. 



Third submarginal cell large, subquadrate; color pale castaneous, with 

 pale hairs; first abdominal segment nodiform. 

 Large; body pale castaneous; head entirely black ; posterior femora 



blacKish 17. Alcanor. 



Medium; head black, clypeus and mandibles dull honey-yellow, emi- 

 colorous with body, legs paler 18. glabrella. 



A 



] 



A 



Fig. 1. Fig. 2. Fig. 3. 



1. Agama mendica, n. sp. 



Male. — Uniform brown-black, head round, densely punctured, thinly clothed 

 with scattered, long yellowish-white hairs, eyes round, polished, prominent, 

 mouth clothed with yellowish hairs, antennae rufo-fuscous, as long as the head 

 and thorax. Thorax ovate, narrowed posteriorly, closely punctured, clothed 

 with yellowish-white hairs ; sides, metathorax and scutellum reticulate, the 

 latter finely. Tegulse convex, polished. Wings ample, yellowish-hyaline, 

 paler about the apex, marginal cell elongate-ovate, rounded at tip, first sub- 

 marginal elongate subquadrate, pointed towards base; second short, obliquely 

 subquadrate, its basal nervure sinuate; third obsolete; costal cell moderately 

 wide, stigma honey-yellow, nervures yellowish ; around fuscous cloud beneath 

 the cells. Legs blackish, thinly clothed with long pale yellowish pubescence. 

 Abdomen elongate-ovate, basal segment campanulate, finely punctured, second 

 segment shining, minutely and remotely punctured, sparsely clothed with 

 yellowish-white hairs, apical margins of all the segments fringed with long 

 coarse yellowish-white pubescence; apex armed with two long, acute, recurved 

 spines. Length 5 — 6i lines, expanse of wings 10 — 12 lines. 



Hub. — Nevada. Coll. of Mr, Norton. 



2. Agama Orizaba, n. sp. 



Male. — Black; head round, as wide as the thorax, finely punctured, thinly 

 clothed with erect yellowish hairs; eyes very large, round, convex; ocelli pro- 

 minent; antenure piceous, as long as the head and thorax. Thorax ; pro- and 

 mesothorax coarsely punctured, the latter with two longitudinal impressed 

 lines on the disc, and two short ones near the tegulae; metathorax rounded, 

 coarsely reticulate, with three short, sharp longitudinal cariniB not extending 

 to the middle; tegulse round, convex, polished. Wings ample, yellowish-hya- 



