214 E. T. CRESSON. 



I^arrada amcricana, n. sp. 



'J,. — Black, opaque; head broad; face, occiput and cheeks with a dens» 

 bright silvery pile; the front, behind antennce, shining, with a central rounded 

 fovea and on each side a deep longitudinal furrow; clypeus closely and finely 

 punctured, except apical margin wliich is smooth, polished and broadly 

 rounded; vertex closely punctured, with a broad shallow depression around 

 anterior ocellus and with a deep pit on each side, posterior ocelli indistinct, in- 

 dicated by two small protuberances on a shining space, back of which is a 

 large deep fovea ; antennoc long, scape long, keeled beneath ; thorax and scutel- 

 lum densely and finely punctured ; prothorax, sides of mesothorax, and pleura 

 with silvery pile, more obvious in certain lights; metathorax long, abrupt 

 laterally and at apex, opaque-black, densely and finely granulated, with dense 

 silvery pile, more obvious at sides and apex: tegulte shining, piceous-black; 

 wings ample, uniform dark fuliginous, with a brilliant reneous or cupreous re- 

 flection, marginal cell abruptly truncate at tip; legs entirely black, with fin« 

 silvery pile; abilomen sericeous, all the segments, except the last, with an 

 apical band of silvery pile, apex with brownish pile. Length .55 inch. 



One specimen. (Belfrage.) This is also found in Pennsylvania, 

 and is allied to fuh'ginosa^ Dalilb. 



Liarrada vinulenta. 



Larrada vinuknia, Cress. Proc. Ent. Soc. Phil, iv., p. 138. 

 One specimen. (Belfrage.) 



I>arra(3a argentata. 



Larra argcntata, Beauv. Ins. p,. 119, pi. 3, fig. 9. 



Eight specintens. (Belfrage ; Boll.) 



Liarrada aualis. 



Larra atialis, Fabr. Syst. Piez, p. 220. 

 One $ specimen. (Belfrage.) 



Liarrada tcrniinata. 



Larrada icrminata, Smith, Brit. Mus. Cat. iv., p. 291. 

 Four specimens. (Belfrage.) 



Liarrada te.i:ana, n. sp. 



9 . — Black, shining, finely punctured ; face with silvery-white pubescencej 

 clypeus witii scattered punctures, transversely depressed near apex, which is 

 truncate and broadly margined; mandibles red medially; behind anterior 

 ocellus two small swellings, on the posterior part of which are placed two ob- 

 lique polished spots and behind these a deep fovea ; cheeks and occiput with 

 silvery-pubescence; scape of antennse short, with a reddish spot beneath; 

 mesothorax and scutellum shining, finely and sparsely punctured; posterior 

 margin of prothorax, sides of mesothorax and pleura with dull silvery pile; 

 metathorax short, abrupt laterally and behind, opaque, with dense obscure 

 silvery pile, upper surface very finely reticulated, with indistinct longitudinal 

 strise at extreme base, lateral declivity obliquely aciculated; tegulre pale rufo- 

 testaceous, blackish at base; wings hyaline, sometimes tinged with yellowish, 

 marginal cell truncate at tip; legs black, with silvery pile, two apical joints 



