276 A. L. MELANDER. 



Gloina obscura Luew (Fig. 93). 

 Cent. V, 68. 



Black, black-pilose. Head black, proboscis fuscous, palpi blackish. Autennse 

 black, first two joints rather short, black-pilose, the third shoi't, ovate, the rather 

 thick seta black. Abdomen shining, black, or piceous, base on each side yellow- 

 ish, almost pellucid. Coxse and legs yellowish, the hind femora and tibiae infus- 

 cated apically, the last two joints of the tarsi black. Halteres yellowish. Wings 

 grayish fuscous, stigma a little darker, veins fuscous. 5 mm. 



New Hampshire, Idaho. 



The third vein is perfectly furcate in the specimen in the collection. 



Oloma scopifera Coquillett. 

 Proc. Wash. Acad. Sci., 1900, p. 412. 



Male. Length 6 mm. — Black, a humeral dot, the halteres, second and third 

 segments of the abdomen, except middle of dorsum, underside of fourth segment, 

 and the legs, yellow, the greater part of the coxse, middle of femora, apices of 

 tibiiE, last two joints of front and middle tarsi, and whole of hind tarsi, except 

 bases of first two joints, brown ; all hairs and bristles black. Third joint of an- 

 tennae slightly longer than wide, less than half as long as the style. Thorax 

 somewhat opaque, thinly gray pruinose. Abdomen slightly polished. Front 

 tibife at apices bearing a dense cluster of rather long bristly hairs, last two joints 

 of the front tarsi greatly dilated and fringed along the sides with short bristly 

 hairs, middle femora beyond the middle of the underside bearing a cluster of 

 about three long bristles, middle tibise swollen at middle of underside, the 

 swelling densely covered with short, bristly hairs. Wings grayish hyaline, 

 veins and stigma brown. 



Alaska (Prof. T. Kincaid). 



RAGAS Walker. 



Small, slightly hairy species of black ground-color. Antennae 

 three-jointed, shorter than the head, the first two joints short, the 

 third lanceolate, lengthened, provided with a short two-jointed 

 arista, the second joint of which is very fine. Proboscis short, not 

 porrect ; palpi lengthened, provided with a few hairs beneath. 

 Eyes of the female separated, of the male narrowly separated, the 

 face long, the vertex short. Thorax short and rather broad, promi- 

 nent. Legs rather long, intermediate feinora of the male in our 

 species without a spine. Wings with the third vein furcate, the 

 upper branch not perpendicular ; discal cell sending out three pos- 

 terior veins ; anal cell shorter than the second basal cell ; anal angle 

 not prominent. 



Scutellura with six pale hairs mabelse sp. nov. 



Scutellum with ten black bristles eoiijuncta Coquillett. 



