166 E. T. CRESSON. 



white with tips of joints black ; abdomen dilated, depressed, dark rufous, base 

 of the first, narrow apical margins of segments 2 — 5 and the following seg- 

 ments entirely, black; segments 2 — 5 each with lateral transverse swelling; 

 apical segments polished; ovipositor about half the length of abdomen, sheaths 

 black with long pubescence. Length .30 inch. 

 One specimen. (Coll. Q. W. Belf'rage.) 



Polyspliincta texana. 



Polysphincta texana, Cress. Trans. Am. Ent. Soc. iii., p. 149. 

 One 9 specimen from Comal Co. 



Lampronota parva. 



Lampronota parva, Cress. Trans. Am. Ent. Soc. iii., p. 163. 

 Two 9 specimens. (Belfrage.) 



Euxorides aiiiericanus. 



Eu.vorides americanus, Cress. Trans. Am. Ent. Soc. iii., p. 167. 

 One 9 specimen from Comal Co. 



Xylonomus australis. 



Xylonomus australis, Cress. Trans. Am. Ent. Soc. iii., p. 167. 

 One 9 specimen from Comal Co. 



Labena grallator. 



Cryptus grallator, Say, Bost. Journ. Nat. Hist, i., p. 236. 

 Five % 9 specimens. (Belfrage; Boll; Heiligbrodt.) 



Mesoleptus bicolorattis, n. sp. 



% . — Head and thorax black; legs and abdomen, except first segment, 

 honey-yellow; antennae long, slender, brown, scape beneath testaceous : head 

 transversely ovate; thorax subopaque, somewhat gibbous anteriorly; scutel- 

 lum raised, convex; tegulee testaceous; wings hyaline, iridescent, stigma 

 large, black, pale at base, areolet 5-angular, incomplete, the outer nervure 

 being obsolete; legs long and slender; abdomen slender, petiolated, first seg- 

 ment gradually dilated at apex, which is margined with honey-yellow. 

 Length .25 inch. 



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



Mesoleptus clelicatus, n. sp. 



% . — Ferruginous, abdomen paler; head transverse, subbuccate ; face 

 moderately broad, eyes ovate, rather prominent; clypeus flat, shining, tips of 

 mandibles black; antennae long and slender; mesothorax rounded above, 

 with well-defined carinse, forming on the disk a large irregular area; pleura 

 protuberant beneath ; wings large, ample, hyaline, iridescent, stigma large, 

 black, pale at base, marginal cell broad, areolet subtriangular, legs very 

 slender, rather paler than body, tips of posterior tibise slightly dusky ; abdo- 

 men narrow, slender, subdepressed, first segment gradually and but slightly 

 dilated at apex, lateral tubercles not prominent. Length .23 inch. 



Two specimens. (Belf'rage.) 



