TEXAN HYMENOPTERA. 169 



the face being entirely white, by the four anterior femora being white 

 before and the posterior tarsi being white except at tip of joints. 

 This fine species is dedicated to my friend Dr. H. Hagen in 

 acknowledgement of the valuable assistance he has rendered me in 

 the study of texan hymenoptera. 



£xetastes bioculatus, n. sp. 



■£ . — Head and thorax black; metathorax, legs and abdomen ferruginous; 

 clypeus except base, mandibles except tips, and palpi, whitish; antennae with 

 basal half black, middle with whitish anuulus occupying about six joints, be- 

 yond this the joints are brown; two broad sublunate spots on mesothorax 

 anteriorly; scutellum, postscutellum, tegulse, dot before and spot beneath, 

 white; metathorax rugose, tinged with yellowish above; wings hyaline, apex 

 faintly dusky ; four anterior coxse yellowish- white, posterior tarsi white, base 

 of first joint, the one or two terminal joints and apex of tibise, blackish ; abdo- 

 men short, slender, smooth, polished, entirely ferruginous. Length .35 inch. 



One specimen. (Coll. G. W. Belfrage.) May be the S of decolor- 

 atns^ Cress. 



Exetasteiii Scutellaria. 



Exetastes scutellaris, Cress. Proc. Ent. Soc. Phil, iv., p. 279. 

 Two % 9 specimens. (Belfrage.) 



Exetastes fascipeniiis. 



Exetastes fascipetinis, Cress. Proc. Ent. Soc. Phil, iv., p. 278. 

 Four 9 specimens. (Belfrage.) 



Opliiou iiiai'i'tii'iiin. 



Ichneumon viacrurum, Linn. Mant., p. 540. 



Two specimens. (Boll.) 



Opliioii biliiieatiis. 



Ophion bilincaius, Say, Macl. Lye, p. 75; Bost. Journ. i., p. 248. 



Numerous S 9 specimens. (Belfrage; Boll; Heiligbrodt.) 



Oi>liioii bifoveolatus. 



Ophion bifoveolatus. Brulle, Hym., p. 1,39. 

 Four S specimens. (Belfrage.) 



Traehyuotus texanus, n. sp. 



9- — Dull ferruginous; orbits whitish in front, pale behind, a black spot 

 beneath base of antennae; antennas black, scape ferruginous; mesothorax ru- 

 gose, with a lateral yellow line; scutellum yellowish, scutellar region blackish ; 

 pleura beneath 'and extreme sides of metathorax black; wings faintly dusky, 

 iridescent; legs ferruginous, anterior coxse and trochanters pale, posterior 

 knees and tarsi fuscous; abdomen dull ferruginous, fuscous above and at ape.x, 

 base of first segment yellow ; ovipositor longer than first abdominal segment. 

 Length .35 inch. 



Two 9 specimens. (Belfrage.) Closely allied to ejuncidus, Say. 



TRANS. AMER. ENT. SOC. IV. (22) NOVEMBER, 1872. 



