TEXAN HYMENOPTERA. 201 



disc rugose; tegulse pale testaceous, basal margin yellow; wings hyaline, 

 faintly tinged with yellow, nervures pale fulvous; legs as in dubiosa, with the 

 anterior tibiae yellow in front, and a yellow spot on tips of their femora be- 

 neath ; abdomen smooth, polished, subiridescent, very sparsely punctured, 

 marked as in dubiosa, the color lemon-yellow, the spots on first segment con- 

 nected by a narrow line at base, the band on fifth segment interrupted medi- 

 ally ; apical segment dull black, longitudinally striated ; venter as in dubiosa. 

 Length .65 inch. 



One specimen from Coiual Co. Easily separated from sexcincta by 

 the clear wings and triangular yellow line on head above. 



Myzine rufiventris, n. sp. 



% .—Black, shining, clothed with a short, erect glittering white pubescence, 

 punctures somewhat dense and shallow, fine and dense on face, sparse on occi- 

 put; mandibles and tegulae piceous ; metathorax rounded, coarsely reticulated ; 

 prothorax larger than in sexcincta. rounded above and but slightly truncate 

 anteriorly; wings dark fuscous, paler at apex, second marginal cell subtrian- 

 gular, receiving the first recurrent nervure before the middle, the third sub- 

 marginal obliquely quadrate, receiving the second recurrent nervure also be- 

 fore the middle; legs black, with pale glittering hairs; abdomen shining, 

 yellow-ferruginous, basal segment and anal hook black. Length .55 inch. 

 One specimen. (Boll. Coll. Mus. Comp. Zoology.) 



Tiphia inornata. 



Tiphia inornata, Say, Long's 2d Exped. ii., p. 331. 



Ten % 9 specimens. (Belfrage ; Boll.) 



Scolia bicincta. 



Scolia bicincta, Fabr. Ent. Syst. ii., p. 234. 

 Five S 9 specimens. (Boll.) 



Scolia dubia. 



Scolia dubia, Say, Bost. Journ. Nat. Hist, i., p. 364. 

 Var. Scolia haanatodes, Burm. Abb. Nat. Ges. Halle, i., p. 33. 

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



Scolia nobilitata. 



Scolia nobilitata, Fabr. Syst. Piez., p. 244. 



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



Scolia Lecontci. 



Scolia (Discolia) Lecontei, Cress. Trans. Am. Ent. Soc. i., p. 376. 

 Eleven % 9 specimens. (Belfrage; Boll.) Abundant in Western 

 Texas from August to October. Mr. Belfrage writes that they rest 

 duriug the night and chilly weather in clusters, closely attached to 

 stems of grass and plants. 



Elis epltippium. 



Scoha ephippium, Say, Bost. Journ. Nat. Hist, i., p. 363. 

 Cne 9 specimen. (Heiligbrodt.) 



TRANS. AMER. ENT. SOC. IV. (26) XOVEMBEIl, 1872. 



