452 MEMOIKS OF THE CARNEGIE MUSEUM 



Brazil : Santarem ; Chapada ; Corumba ; Rio de Janeiro. 



Heptasmicra persimilis, sp. nov. 

 Female. — Length 11 mm. Reddish-yellow, with black marks as in H. lineati- 

 coxis, except that the black on the middle mesothoracic lobe is interrupted by a 

 reddish-yellow spot anteriorly, the hind coxae being immaculate, while the dorsal 

 abdominal segments are banded with black. 



The body of the abdomen is much larger and longer than in H. lineaticoxis, the 

 petiole being about five times as long as thick. 

 Brazil : Santarem. One specimen. 



Heptasmicra affinis, sp. nov. 



Female. — Length 9.2 mm. Colored as in H. lineaticoxis, except the back of the 

 head, the forehead and the scrobes are wholly black ; the hind coxae have two black 

 stripes instead of one ; the hind femora have a black band at base, along the lower 

 margin, besides a spot on the inner face ; while the hind tibiae, except at the basal 

 third, are black. 



The abdomen is totally different in shape ; it is lanceolate, much longer than 

 the head and thorax united, with a very short petiole, which is wider than long ; 

 the dorsal segments are banded with black. 



Brazil : Santarem. Two specimens. v 



Heptasmicra longicaudata, sp. nov. 



Female. — Length 8.5 mm. Colored as in H. lineaticoxis, except that the hind 

 coxae are immaculate except at extreme apex above, while the hind tibiae are black 

 or dark fuscous, with a yellowish annulus before the middle. 



The abdomen is long, lanceolate and terminates in a long, compressed stylus, as 

 long as the previous segments united ; the petiole is very short, wider than long. 



Brazil: Maruru, in April. One specimen. 



Heptasmicra lineaticoxus, sp. nov. 



Female. — Length 9.5 mm. Reddish-yellow ; a transverse spot on the occiput, a 

 spot in the frontal depression, the flagellum, a triangular spot on the scutellum ex- 

 tending from its apex, an oblong spot on the lateral mesothoracic lobes anteriorly, 

 the middle mesothoracic lobe, except the outer margins broadly, the sheaths of the 

 ovipositor, and a line on the hind coxae above, black. 



The body of the abdomen is long-ovate, the petiole very long, six or more times 

 longer than thick. The hind femora are armed with seven large teeth, the first 

 three very acute, the following broader and rounded at apex. 



Brazil : Santarem. Four specimens. 



