AMERICAN HYMENOPTERA. 249 



the anterior femora and tibiae before, and two-tbirds of the posterior 

 femora below, white ; basal joint of hinder tarsi nearly as long as all 

 the rest toaether ; inner tooth of claw rather larger than outer and 

 very near to it. Wings violaceous sub-obscure, color equally distri- 

 buted ; first submarginal nearly round, outer under-wing cells open, 

 the marginal cell with a short appendiculate nervure. 



Tampico, Mexico, (H. de Saussure). One 9 • 



Much like ^S*. Ixirda in appearance. 



7. S. marginicollis. 



Allantus marginicollis, Harris' Cat. 



Selandr la marginicollis, Norton, Bost. Proc. viii, 18C1, 220, 4, ^ . 

 Dull oclire-yellow ; head, spots on thorax, i^lcura and second segment of ter- 

 giim black. Length 0.20. Br. wings 0..52 inch. 



9. Body stout; antennae black, rather slender; head black, nasus 

 fjnd labrum pale ; front of prothorax, middle of mesothorax, the meta- 

 thorax, first segment of tergum and the pectus black; collar, tegulfe 

 and legs paler than the rest of body ; wings hyaline, stigma and costa 

 pale ; marginal cross nervure received in middle of third submarginal 

 cell. 



Mass., (Harris' Coll.) Albany, N. Y., Dr. Peck. (2 9 .) 



8. Selandria ochra, n. sp. 



Testaceous; head and legs below the knees black, wings cbscure. Length 

 0.2y. Br. wings 0.56 inch. 



% . Body stout, abdomen wide; antennoe black, densely pilose; head 

 black, nasus and mouth below, white; mandibles each with one strong 

 inner tooth; body all of one color, paler beneath; legs pale, all the ti- 

 biae and tarsi (except the anterior pair, which are pale belore,) black; 

 inner claw tooth as large as outer and very near it; wings blackish ob- 

 scure, darkest at base, nervures and stigma black ; first submarginal 

 cell pyriform, angulate at base; marginal under-wing cells with an ap- 

 pendiculate nervure. 



Cordova, Mexico, (II. de Saussure). One % . 



9. S. rubi. 



S- {Hoplocainpa) rubi, Harris, Address of N. Darling, New Haven, 1845, !•'!. 

 N. E. Farmer I. 164, II, p. 33. 

 Proc. Bost. Soc. vii, 235. 

 Norton, Proc. Bost. Soc. viii, 221, 5, 9. 

 "Black: a spot on each side of the collar, middle of the dorsum and legs 

 dirty yellow, wings smoky." Length 0.28. Br. wings 0.5 1 inch. 



9 . Color black ; head rather rugose, nasus somewhat incurved ; 

 head pubescent, except about ocelli ; mandibles with two stout inner 

 teeth ; tegulae, most of anterior angle, the third, fourth, fifth and part 

 of sixth segments of tergum yellowish-white, venter ferruginous; legs 



TKANS. AM15R. ENT. SOC. (32) SEPTEMBER, 1867. 



