450 MEMOIRS OF THE CARNEGIE MUSEUM 



Genus PEOTOCERAS Kirby. 



Protoceras caudatus (Guerin). 



Chalcis caudatus Guerin, Iconogr. r6gn. anim., VII., Insect., 1845, p. 412; T. 6, f. 6. 

 Protoceras caudatus Kirby, Journ. Linn. Soc. London, Zool., XVII., 1883, p. 60. — 

 Dalla Torre, Cat. Hym., V., 1898, p. 370. 



Brazil. 



Protoceras leucotelus (Walker). 



Smicra leucotelus Walker, Journ. Entom., I., 1861, p. 181, 9. 



Protoceras leucotelus Kirby, Journ. Linn. Soc. London, Zool., XVII., 1883, p. 60. — 

 Dalla Torre, Cat. Hym., V., 1898, p. 370. 

 Brazil. 



OCTOSMICEA Ashmead, gen. nov. 



This genus comes near Protoceras Kirby, agreeing with it in having the hind 

 femora armed with eight large teeth, but differs in having the parapsidal furrows 

 distinct, entire ; the plate at the apex of the scutellum is emarginate or bidentate, 

 while the abdomen, in the female, is lanceolate or conically produced, the eighth 

 segment usually long or styliform. 



OcTOSMiCRA ATT ALIO A (Walker). 



Smiera attalica Walker, Trans. Ent. Soc. London (3), II., 1864, p. 193, c?. 

 Smicra attalica Dalla Torre, Cat. Hym., V., 1898, p. 375. 

 Brazil. 



OcTOSMiCRA correcta (Walker). 



Srtiiera correcta Walker, Trans. Ent. Soc. London (3), II., 1864, p. 191, 9. 

 Smicra correcta Dalla Torre, Cat. Hym., V., 1898, p. 375. 

 Brazil. 



? OCTOSMICRA REFERATOR (Walker). 



Smiera referator Walker, Trans. Ent. Soc. London (3), I., 1862, p. 347, 9. 

 Smicra referator Dalla Torre, Cat. Hym., V., 1898, p. 381. 

 Brazil. 



OCTOSMICRA NIGROACMULATA, sp. nOV. 



3Iale. — Length 8 mm. Yellowish-red ; the scrobes, a dot on face, a dot on the 

 clypeus, the teeth of mandibles, a spot on middle of the pronotum anteriorly, a large 

 triangular spot on the middle mesothoracic lobe, a spot on each lateral lobe, a trans- 

 verse spot at base of the scutellum, another near the apex, a spot at base of the 

 metanotum connected with a median line, a line along the front margin of the 

 mesopleura, the femoral furrow, and the flagellum, black. The triangular black 

 spot on the middle mesothoracic lobe is interrupted by a reddish spot anteriorly. 

 Wings hyaline, the veins testaceous. The hind femora are armed with eight teeth, 



