Hymenoptera from Central America. 377 



Head a little narrower than the mesothorax, densely 

 covered all over with long pale fulvous hair; black, below 

 the eye largely rufous ; the mandibles black, sparsely covered 

 with pale hair. The thorax above broadly black, the black 

 at the apex rounded. The median segment with an oblique 

 slope ; the pleurae black, coarsely punctured, sparsely covered 

 with long pale fulvous hair. The basal segment of the 

 abdomen black, covered with long pale hair. The base of the 

 second segment is black, with two pale orange marks, one on 

 either side, the black band between them being broadly trian- 

 gular in the middle ; at the apex in the middle the black also 

 projects a little ; the apex of the second segment is broadly 

 black at the side, the extreme apex in the middle being only 

 narrowly banded with black ; the third segment is broadly 

 black at the sides. The ventral segments are covered 

 densely with pale hair ; the apices of the segments narrowly 

 black. Legs black, densely covered with long white hairs. 



Si^hcerophtlialma latehalteata, sp. n. 



Ochracea, abdominis basi medioque late nigro-balteatis ; pedibus 



nigris, longe albo-pilosis. 

 Long. 12 millim. 



Hah. Mexico, Cordova and Jalapa in Vera Cruz {Edge). 



Head distinctly narrower than the mesothorax, densely 

 covered with long fulvous hair ; the part behind the head 

 roundly narrowed ; the mandibles black, slightly rufous 

 towards the middle; the antennal tubercles rufous at the 

 apex. The antennae black ; the scape bearing long silvery 

 hair, the flagellum with an obscure pale down. The thorax 

 obliquely narrowed from the middle ; above thickly covered 

 with reddish-fulvous hair; the apex oblique, bearing large 

 round deep punctures, and sparsely covered with long 

 whitish hairs ; the niesoplcura3 coarsely punctured, sparsely 

 covered with long whitish hair. Tiie base of the abdomen 

 bears long whitish hairs ; the second segment with pale 

 fulvous hairj the base broadly black, the base of the fulvous 

 part roundly incised ; the third and fourth segments covered 

 all over with pale fulvous hair; the pygidial area black, the 

 base and sides bearing long pale fulvous hair, longitudinally 

 striolated. The ventral segments black, fringed with long 

 pale fulvous hair, their apical half strongly punctured, the 

 rest finely transversely striolated. Legs covered with long 

 pale hairs ; the spines black. 



Agrees closely with S. connectens^ Cam., from Chihuahua, 

 but larger and stouter, the abdomen more abruptly narrowed, 



