582 PROCEEDINGS OP THE NATIONAL MUSEUM. VOL. 50. 



half of the fourth funicle joint, rounded at apex, its first joint longer 

 than either of the folio whig two. Wings uniformly ciliated; oblique 

 hairless streak widened below with the small rounded cut off portion 

 widely separated from the posterior margin of the wing, and not con- 

 necting with the basal hairless streak which hardly extends by point 

 opposite the end of the oblique streak. Ovipositor protruded about 

 one-fourth the length of the abdomen. Length: 1.4, exclusive of 

 ovipositor. 



Front, vertex, and mesonotum orange yellow, the front paler and 

 the vertex slightly dusky behind the ocelli; face, cheeks, lower half 

 of occiput, and entire underparts yellowish white, the face with a 

 narrow, interrupted blackish band between the lower corners of the 

 eyes, and the cheeks with a large blackish spot in their middle; 

 upper half of occiput, concealed part of pronotum, the metanotum, 

 propodeum, and dorsum of the abdomen black, ttte sides of the 

 latter narrowly whitish from near base to apex; collar of pronotum 

 and tegulae whitish, the former with a blackish brown dot on each 

 corner, the latter with a pale brown dot on the posterior margin. 

 Basal expanded portion of the antennal scape black, the black con- 

 tinuing hi a narrow line to apex on the outer face, a narrow line along 

 base and upper margin of inner face of expanded portion and the whole 

 of the apical portion except the black line whitish; funicle and club 

 nearly uniformly brownish black, but apex of the last four funicle 

 joints have a whitish dot on the upper side. Legs concolorous 

 with the underparts, each tibiae with two pairs of blackish dots and 

 an additional dot at the knee joint and at apex of tibiae, the dots 

 at the middle of the middle and hind tibiae obliquely arranged; 

 tip of last joint of all tarsi blackish. Exserted portion of ovipositor 

 pale brown but more yellowish on the under side. Wings hyaline, 

 the veins pale yellowish. 



Male. Front and vertex as wide as long; ocelli in a right-angled 

 triangle, the posterior pair about one-third of their own diameter 

 from the eye margin. Antennal scape shaped as in the female, but 

 slightly narrower; pedicle shorter than the first funicle joint, about 

 one-third as long again as wide; funicle joints all of the same length 

 and cylindrical, a little more than twice as long as thick; club as 

 long as the two preceding joints combined and no thicker. Length: 

 1.0 mm. 



A spot on the cheeks, the vertex, upper half of occiput, concealed 

 part of pronotum, most of the mesonotum, the metanotum, propo- 

 deum, and dorsum of abdomen black; face, cheeks otherwise, lower 

 half of the occiput and the underparts pale yellowish; posterior 

 corners of the mesoscutum yellow; tegulae and collar of the pronotum 

 whitish and marked as in the female. Antennal scape whitish with 

 a narrow black line. along the upper margin of the outer face and 



