222 E. T. CRESSON. 



Ifloneclula pictirroii»$. 



Monedxda pictifrons, Smith Brit. Mus. Cat. iv., p. 335. 

 Two % 9 specimens. (Belfraye.) The % has much less yellow 

 than the 9 and the color is paler ; all the markings are much re- 

 duced and the band on abdomen broken on each side of middle. 



3IouediiIa negleeta, n. sp. 



9. — Black, the entire body thinly clothed with a short pale pubescence; 

 face, anterior orbits, lower posterior orbits, clypeus, labrum, mandibles except 

 tips, palpi, antennse beneath, narrow posterior margin of prothorax, tubercles, 

 spot beneath wings, line over tegulse, spot on each side of scutellum, band on 

 postscutellum, spot on the prominent lateral angles of metathorax, coxee and 

 femora beneath, most of tibise and tarsi, and apical fascia on all dorsal abdo- 

 minal segments except the last, those on segments 2 — 5 broadly and squarely 

 emarginate anteriorly, all lemon-yellow, the fasciae on abdomen obscure in 

 color; tegulse dull testaceous; wings hyaline; all the femora above and be- 

 hind, and spot on tibise behind near tips, black, tarsi tinged with fulvous; ab- 

 domen sparsely punctured. Length .48 inch. 

 One specimen from Comal Co. 



NYSSONID^. 



Stiziis speeiosns. 



Sphex speciosus, Drury, Exot. Ins. ii., 71, pi. 38, fig. 1, 9 • 

 Four % 9 specimens. (Belfragej EoU; Heiligbrodt.) 



Stiziis texanus. n. sp. 



'J, 9- — Black, clothed with a dense, pale sericeous pile; anterior orbits, 

 large spot on middle of face, clypeus and labrum pale yellow, with a dense 

 silvery pile; upper anterior orbits, posterior orbits, mandibles except tips and 

 the three basal joints of antennse, ferruginous, scape yellow beneath in %; 

 prothorax ferruginous, upper posterior margin and most of tubercles pale yel- 

 low; rather broad lateral margin of mesothorax, tegulse, scutellum and post- 

 scutellum of 'J, , ferruginous or brown, scutellum and postscutellum of 9 yel- 

 low, the former sometimes interrupted with ferruginous at base; metathorax 

 sometimes tinged with ferruginous, generally entirely black; wings not reach- 

 ing beyond tip of abdomen, strongly stained with fuscous, yellowish towards 

 base; legs entirely ferruginous, sericeous; abdomen more or less ferruginous 

 at base of first and sometimes the second segment, the four basal segments 

 each with a large pale yellow lateral spot, rounded on the first and second seg- 

 ments and ovate on the two following, that on the fourth narrower and longer, 

 sometimes almost meeting on the disk, sometimes the fifth segment of % has a 

 lateral spot or line; venter tinged laterally and at apex with ferruginous, the 

 third and fourth segments each with a round pale yellow lateral spot, some- 

 times much reduced and subobsolete. Length 1.15 — 1.20. 



Four '& 9 specimens. (Boll.) A very distinct species. 



