ASHMEAD : CLASSIFICATION OF THE CHALCID FLIES 453 



Heptasmicra qtjadrimaculata, sp. nov. 



Hale. — Length 6 mm. Yellow ; a line on the scape above, the fiagellam, two 

 triangular spots on the anterior margin of the middle mesothoracic lobe, a small 

 spot on each of the lateral lobes and the terminal ventral segment, black. 



The abdomen is long-ovate, the petiole a little more than twice as long as thick ; 

 the dorsal segments are more or less marked with brown or fuscous stains. The 

 hind femora are armed with seven black tipped teeth, all large, except the second, 

 which is small. 



Brazil : Corumba, in May. 



Genus METADONTIA Ashmead. 

 Metadontia flavolineata, sp. nov. 



Female. — Length 7 mm. Black ; a dot between the ocelli, front orbits, cheeks 

 pronotum above, a line on each side of the middle mesothoracic lobe, abbreviated 

 posteriorly, a transverse line at base of the scutellum, another at apex, the meta- 

 tliorax, a spot beneath the tegulse, the front legs from the tips of the femora, the 

 middle tarsi, the hind coxse, except apices and a broad line beneath, a transverse 

 line near apex of hind femora both outwardly and inwardly, an annulus on the 

 hind tibise near the middle, the abdomen at base, including the petiole and second 

 segment, and an elongate spot at tip of abdomen above, yellow. 



The ridge or plate at the apex of the scutellum is emarginate and wholly yellow. 



Brazil : Santarem. One specimen. 



Resembles Metadontia {Chalcis) nigricornis Fabr. but differs in the color of the 

 hind legs and by the emarginate plate at apex of the scutellum. 



Metadontia similis, sp. nov. 



Male. — Length 5 mm. Colored very much as in 31. flavolineata, but the prono- 

 tum above, although yellow, has a black spot at the sides posteriorly ; the scutellum 

 is margined all around with yellow, the axillse being black ; the metathorax, except 

 a central black spot, is yellow ; the front and middle legs, except the first joint of 

 the trochanters above and the base of the femora above for about two thirds their 

 length, are yellow ; the hind coxse except at basal third are black : the hind femora 

 are mostly yellow, but outwardly have a large black spot at base, connected with a 

 black line beneath, above on the ridge is a black line at the basal two thirds, which 

 itself is connected with a black line on the inner face : the inner face has also a 

 black spot ; the hind tibise are black except the apical two thirds of the outer face ; 

 the hind tarsi are yellow. 



The abdomen is yellow, the dorsal segments banded with black. 



