THE CANADIAN ENTOMOLOGIST. 167 



labella present; palpi long, rather slender, thickened and curved 

 at tip. Thorax and abdomen not quite as wide as head ; scutellum with 

 a strong sub-apical and two strong lateral pairs of macrochaetae, and a 

 shorter discal pair. Abdomen elongate oval, not flattened, first segment 

 a little shortened; macrochaetae only marginal. Legs moderately long, 

 femora rather stout and bristly, middle and hind tibiae spiny ; claws and 

 pulvilli of ? a little elongate. Wings longer than abdomen, without costal 

 spine, third vein bristly at base ; apical cell open, terminating before tip 

 of wing ; fourth vein bent at obtuse angle, with a wide, shallow wrinkle at 

 bend appearing as a slight cloud, apical cross-vein a little concave ; 

 posterior cross vein curved or sinuate, nearer to bend of fourth. Type 

 E. gonoides, n. sp. 



This genus differs from Cnephalia in the character of the antennae and 

 arista, and in the facial ridges being bristly. It differs from Frontina in 

 having the sides of face bristly, as in Cnephalia and Gonia. 



Eucnephalia gonoides, n. sp. 9 , 



Eyes light brown ; frontal vitta brownish ; sides of front, face and 

 cheeks silvery white ; antennae pale rufous, blackish on apical half more 

 or less of third joint, arista black ; proboscis blackish, palpi light rufous ; 

 occiput silvery, rather thickly clothed with yellowish gray hair. Thorax 

 silvery pollinose, with five narrow black vittae, the middle one obsolete in 

 front, the inner pair obsolete a little behind suture, others reaching 

 scutellum, eight rows of macrochaetae on thorax ; scutellum silvery 

 pollinose, blackish at base, testaceous at tip. Abdomen black, reddish 

 on sides of first to third segments, second to fourth segments silvery- 

 white pollinose except the more or less narrow posterior margins ; first 

 two segments with one lateral macrochaeta and a median marginal pair ; 

 third with a marginal row of ten or twelve ; anal segment with a 

 marginal row of eight or ten ; venter reddish, with median vitta and anus 

 blackish. Legs black, femora silvery below, tibite with spiny macrochaetae 

 except front ones, claws and pulvilli only a little elongate, pulvilli yellow- 

 ish fuscous. Wings grayish, tegulae white, halteres brownish. 



Length of body, 97^ mm. ; of wing, 73^ mm. 



Described from one specimen ; Dona Ana County, New Mexico. 

 Apache Canon. Oct. 18. 



Rhi7iophora valida, n. sp. $ . 



Eyes brown ; frontal vitta light rufous, front narrowed before ocelli to 



