322 HYMENOPTEKA. 



the mesonotum. The propleurae are closely punctured ; the metapleurae are covered 

 with fulvous pubescence. The abdomen is longer than the head and thorax united, 

 and, in the middle, is wider than the thorax ; ferruginous, a band near the apex of the 

 basal segment, the apex of the second segment, and nearly the whole of the other 

 segments, black ; the basal segment has a band of golden pubescence at the apex ; the 

 second segment has a triangular mark on the sides, and a larger oblique mark near the 

 apex, golden, the apex itself banded also with golden ; the third and fourth segments 

 are golden in the centre ; the fifth is entirely golden ; the pygidium is densely covered 

 with golden hair. The basal segment bears pale hair, the others long black hair. The 

 ventral segments are ferruginous, blackish at the apex, the apex bearing long pale 

 fuscous hair. The basal segment is punctured ; the keel blunt, not raised at the base. 

 The legs are ferruginous, densely covered with pale hair ; the knees blackish ; the 

 tibial spines rather long, stout ; the calcaria pale fulvous ; the metatarsus densely 

 covered with golden pubescence. 



17 17. SphaBrophthalma extinctor. (Tab. XIV. fig. 10, $ .) 



Long, fere 8 millim. $ . 



Hal. Mexico, Teapa in Tabasco (H. H. Smith). 



Head much wider than the thorax, slightly rounded in front, concave behind ; the 

 sides broadly rounded, margined ; the part behind the eyes a little longer than their 

 length; the front with a distinct channel down the centre; ferruginous, punctured, 

 sparsely covered with golden hair ; the tips of the mandibles black. The antennae pale 

 ferruginous, thick; the scape stout, curved, almost bare; the third joint slightly longer 

 than the fourth. The thorax ferruginous, except a black oblique stripe on the meta- 

 pleurae ; above sparsely covered with long fuscous hair, strongly punctured, the punc- 

 tures at the apex running into reticulations ; considerably narrowed towards the apex, 

 the base rounded, the middle roundly incised ; the tubercle in the centre of the incision 

 large, shining, pale yellow ; in front of it are two large acutely-pointed teeth, followed 

 by a small tubercle ; behind are five short teeth. The abdomen as long as the head and 

 thorax united, the apex acutely pointed ; the basal segment ferruginous, the apex 

 fringed broadly with pale golden hair ; the second segment broadly black in the 

 middle, dark ferruginous at the sides, the apex with a broad band of pale golden 

 pubescence, dilated in the middle ; the other segments ferruginous, fringed with long 

 golden hair. The basal ventral segment has the keel distinct, dilated in the middle ; 

 the second segment is dull ferruginous, punctured. The front legs are entirely ferru- 

 ginous ; the four posterior legs have the knees, tibiae, and base of the tarsi black. 



