430 MEMOIRS OF THE CARNEGIE MUSEUM 



middle legs and the long abdominal petiole, yellow ; hind legs, except the femora, 

 ferruginous, the femora black ; Ijody of abdomen black. 

 Brazil : Chapada, in November. One specimen. 



Spilochalcis flavobasalis, sp. nov. 



Female. — Length 3 mm. Mostly red, the head, the pleura and the metanotum 

 black ; scape, front and middle legs, hind tarsi and basal half of abdomen, including 

 the petiole, pale yellowish ; hind legs, except tarsi, pale ferruginous, the femora 

 darker than the coxte. 



Brazil : Chapada. One specimen. 



Spilochalcis janeiroensis, sp. nov. 



Female. — Length 3.5 ram. Black, punctate ; a line on hind orbits, a dot at sum- 

 rait of eyes, a short line on the front orbits, two approximate spots on the middle of 

 the pronotum posteriorly, the lateral margin of same and two dots before, two dots 

 on the middle mesothoracic lobe, three dots of the lateral lobes, and the lateral mar- 

 gins of the scutellum, yellow or yellowish-red ; knees, tips of tibiae and beneath, and 

 all tarsi, yellow ; hind legs mostly black, the hind femora with a minute spot above 

 and two irregular spots at apex, yellow ; hind tibiae yellow with a black ring near 

 the middle. The abdomen polished black except two yellowish-white spots on dor- 

 sum of the third segment. 



Brazil : Rio de Janeiro, in August. One specimen. This species is allied to S. 

 nigrita Howard, described from St. Vincent. 



Spilochalcis flavoorbitalis, sp. uov. 



Female. — Length 7.5 mm. Black, coarsely punctate ; irregular marks on vertex, 

 the front and hind orbits, face below antennae, dorsum of pronotum, except a black 

 spot at sides, the margins of the middle mesothoracic lobe, a spot at the outer basal 

 apgle of the lateral lobes, the tegulfe, a spot in front and a spot beneath, two large, 

 oblique, nearly confluent spots at base of scutellum and the ridge at apex, two spots 

 on metathorax, the front and middle legs, except coxae, more or less of their femora 

 yellow ; the hind legs are mostly black, the coxae striped Avith yellow beneath and 

 aljove, the femora margined with yellow at base and above, and with a curved yel- 

 low mark outwardly, starting a little beyond the middle and extending to the apex ; 

 the hind tibite are yellowish outwardly from basal third. The abdomen above is 

 mostly black, banded with yellow, the petiole and the basal half of the second seg- 

 ment being yellow, the following dorsal segments more or less distinctly banded 

 with yellow basally. 



Brazil : Santarem. One specimen. 



