434 MEMOIRS OF THE CARNEGIE MUSEUM 



base, the outer face with a triangular black spot on basal half and a curved black 

 line at apex ; the inner face has two large black bands or stripes. Wings hyaline, 

 with a yellowish tinge, the veins pale ferruginous. 

 Brazil : Santarem. One specimen. 



Spilochalcis marginata, sp. nov. 



Female. — Length 5 mm. Head, except the occiput and the scrobes which are 

 black, yellow ; flagellum lilack ; dorsum of pronotum, except a small black spot on 

 each side, the margins of the middle mesothoracic lobe and a small spot anteriorly, 

 the outer margins of the lateral lobes, the scutellum except a large central black 

 spot, the metathorax except a central black stripe, the tegulae, a spot beneath, and 

 the margins of the metapleura, yellow ; legs mostly yellowish-white, the hind coxte 

 with a large black spot above, the hind femora with three black spots on outer face, 

 a small spot above towards apex and a single spot on the inner face, black. Abdo- 

 men yellow, the dorsal segments banded with black. 



Brazil : Santarem. One specimen. 



Spilochalcis tuberculata, sp. uov. 



Female. — Length 4 mm. Yellow ; eyes and flagellum brown ; lobes of meso- 

 thorax black margined with yellow ; a spot on scutellum at base, a spot on metano- 

 tum and the pleura black. The abdomen is conic-ovate, ferruginous, the petiole 

 yellow and about thrice as long as thick. The hind femora are armed with nine- 

 teen or twenty minute teeth beneath and have a black or brownish spot at apex. 

 The fVice is armed with a very long tubercle, which originates from the ridge be- 

 tween the insertion of the antennae. 



Brazil : (Jhapada, in January. One specimen. 



Spilochalcis bidentata, sp. uov. 



Female. — Length G.5 mm. Black, coarsely punctate ; orbits, the face below 

 the insertion of the antenna?, the scape beneath, the apex of flagellum, the pro- 

 thorax, except a spot on each side of the front face of the pronotum, the mar- 

 gins of the middle mesothoracic lobe at sides and base and the outer and basal 

 margins of the lateral lobes, a band all around the scutellum, the metathorax, and 

 the upper part of the mesopleura, yellow; legs mostly yellow, the hind legs marked 

 with black, the hind tibiae with a black annulus at base and another one near the 

 middle. The abdomen is yellowish or pale ferruginous, the dorsal segments, three 

 and beyond, more or less blackish or fuscous. 



Brazil : Santarem. One specimen. 



