ashmead: classificatiox of tftf'-, ciialcid flies 503 



scutellum smooth, the liead in front, except a few minute punctures, smooth and 

 shining ; the scape of tlie antennae, the coxfe apically, the trochantei-s, front and 

 middle femora, apex of hind femora, and the tibise and tarsi, yellowish-white, the 

 hind tarsi fuscous at apex ; the hind femora, except at apex, are bluish ; the hairs on 

 the hind tibice arc arranged so as to form nine areas ; flagellum light brown, the club 

 darker. The abdomen is conically produced, compressed at sides, blue black except 

 towards base beneath, where it is testaceous. Wings hyaline, the tegulpc and the 

 subcostal vein pale yellowish, the rest of the veins brown. 

 IJrazil : ( orumba, in May. One specimen. 



Elasmus peraffinis, sp. nov. 



^Jale. — Length l.S mm. Blue black with the apex of the scutellum yellow; 

 antennaj, including the branches, brown, the scape yellowish ; mandibles and 

 palpi pale ; legs yellowish-white, the base of middle and hind coxae, and a very 

 broad band on their femora, black ; the hairs on the hind tibia? are so arranged as 

 to form six or seven areas. Wings hyaline, the veins light brown, the tegulse yel- 

 lowish-white. 



Brazil : Exact locality not given. One specuuen. 



Ei-AfiMt-s chapad.t;, sp. nov. 



Female. — Length 2 mm. Blue black, the apex of the scutellum yellow, the 

 basal two segments of the abdomen red ; the face is rather closely and distinctly 

 punctate, the thorax reticulately sculptured, the scutellum smooth, shining ; anten- 

 nae brown black, the scape yellowish ; legs blue black except as follows : The front 

 legs, except the coxae basally, the sutures between the trochanters and femora of 

 middle and hind legs, and the tibise and tarsi, are pale yellowish-white, the hind 

 tansi appear fuscous from the pubescence ; the haii-s on the hind tibia? are arranged 

 in two longitudinal rows, the inne row, however, being intersected by a short, cross 

 hair line, forming two long areas. Wings hyaline, the veins brown. 



Brazil : Chapada. One specimen. 



Family LXXI. EULOPHID^.. 

 Subfamily I. Entedonin^k. 

 Tribe I. Tetracampini. 

 No species belonging to this tribe are yet known from iSouth America. 



