TEXAN HYMENOPTERA. 223 



Stizus ferritins, u. sp. 



£. — Fulvo-ferruginous, head and thorax clothed with a short golden-fulv- 

 ous pubescence, more long and dense on metathorax; face, line on anterior 

 orbits as far up as ocelli, clypeus and labrura, pale yellow, middle of clypeus 

 tinged with fulvous, the sides clothed with a silvery white pile; mandibles 

 long, black, fulvous at base; antennae black, three basal joints ferruginous: 

 narrow posterior margin of prothorax and tubercles yellow; anterior margin 

 of mesothorax and a line over tegulas fuscous ; mesothorax, scutellum and 

 pleura closely and finely punctured, shining, metathorax more densely punc- 

 tured, the base with a central impressed line; wings hyaline, yellow at base 

 and in base of marginal cell, rest of marginal cell fuliginous: legs ferruginous, 

 tarsi paler; abdomen shining, sparsely punctured, fulvo-ferruginous, segments 

 1 — 5 each with a lemon-yellow band, that on first segtneut broad, slightly in- 

 terrupted at the middle and indented on each side anteriorly, that on second 

 segment broader, deeply and roundly emarginate on each lateral anterior 

 corner and slightly indented on anterior middle, and with a short narrow 

 transverse fulvous line on each side near apex, three following segments each 

 with the band continuous and enclosing on each side near apex a fulvous spot; 

 apical segment densely punctured, carinate on each side, the carina? meeting 

 at apex; second ventral segment with a large yellow spot on each side. 

 Length .95 inch. 



One specimen. (Heiligbrodt.) This fine species resembles gran- 

 rfis, Say, in color, but is at least one-half smaller and otherwise distinct. 



Larra linieineta. 



Stizus unicincta, Say, "West. Quar. Rep. ii., p. 77; Am. Ent. pi. 2. 

 Two specimens. (Belfrage.) 



Nysson auriuota l us. 



Nysson aurinotatus, Say, Bost. Journ. Nat. Hist, i., p. 368. 

 Three $ specimens. (Belfrage; Boll.) 



Nysson texanns, n. sp. 



9 • — Black, opaque ; bead closely punctured, clothed with a fine appressed 

 golden pile, very dense on each side of front and a line across it; clypeus with 

 dense pale golden pile; labrum testaceous; mandibles more or less tinged 

 with ferruginous; antennas black, sericeous, apex of scape beneath pale ferru- 

 ginous: thorax closely or rather coarsely punctured, clothed with a very fine 

 pale golden pile, which is silvery on the pleura and metathorax laterally and 

 bright silvery on pleura beneath and coxae; posterior margin of prothorax, 

 continued around the tubercles, a band at base of scutellum, lateral angles of 

 metathorax and a spot beneath tegulte, immediately in front of a small, but 

 prominent tubercle, all bright golden; mesothorax with a well-impressed cen- 

 tral longitudinal line not reaching beyond the disk; scutellum rugose, sides 

 carinate and somewhat reflexed, as also the postscutellum which is bilobate ; 

 lateral spine of metathorax long and subacute, tipped with pale yellow; tegulae 

 ferruginous; wings smoky, darker in marginal cell and at extreme tip; legs 

 ferruginous, with pale sericeous pile; abdomen pale golden sericeous, not 

 densely punctured, a broad band of dense golden pile near base of first seg- 

 ment; a transverse ovate spot on each side at apex of first segment, a short 



