164 E. T. CRF.SSON. 



metathorax with indistinct elevated lines and very prominent obtuse lateral 

 tubercles which are white, posterior face concave and transversely wrinkled ; 

 wings hyaline, areolet small, quadrate, apical nervure hyaline; legs uniformly 

 honey-yellow, anterior coxse and joints 2 and 3 of posterior tarsi whitish; 

 apical segment of abdomen with a white spot. Length .35 inch. 



Three specimens. (Belfrage.) 



Mesostenus longicaudis, n. sp. 



9- — Slender, uniformly ferruginous, shining; antennae long and slender, 

 black, with part of joints 7 and 8 white above, three basal joints ferruginous; 

 middle lobe of mesothorax convex and prominent; metathorax rounded, de- 

 pressed on posterior face, rugulose, a well defined arcuate carina near base, 

 enclosing on each side at base a smooth space; wings fusco-hyaline, areolet 

 very narrow longitudinally; legs long and very slender, posterior tarsi slightly 

 dusky; abdomen long, slender polished; ovipositor more than twice the 

 length of body, pale ferruginous, sheaths black. Length of body .40 inch, of 

 ovipositor one inch. 



One specimen. (Coll. Q. W. Belfrage.) A very remarkable spe- 

 cies. 



Arotes decorus. 



Accenitus decorus, Say, Bost. Journ. Nat. Hist, i., p. 248 9 • 

 One % specimen. (Boll.) 



Thalessa lunator. 



Pimpla lunator, Fabr. Ent. Syst. ii , p. 162. 

 Three % 9 specimens. (Belfrage; Boll.) 



Ephialtes tuberculatus. 



Ichneumon tuberculatus, Fourcr. Grav. Ich. Eur. wi., p. 228. 

 One 9 specimen. (Belfrage.) 



Pimpla maiira. 



Pimpla maura, Cress. Trans. Am. Ent. Soc. Hi., p. 145. 

 Two 9 specimens from Comal Co. 



Pimpla texana. 



Pimpla texana, Cress. Trans. Am. Ent. Soc. iii., p. 145. 

 One 9 specimen from Comal Co. 



Pimpla tenuicoriiis. 



Pimpla tenuicornis, Cress. Proc. Ent. Soc. Phil, iv., p. 267. 

 One 9 specimen from Comal Co. 



Pimpla amiulipes. 



Pimpla annulipes, Brulle. Hym., p. 102. 

 Three % 9 specimens. (Belfrage.) 



Pimpla indagatrix. 



Pimpla indagatrix, Walsh, Trans. Am. Ent. Soc, iii., p. 146. 

 Two % specimens. (Belfrage.) 



