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/8 THE CANADIAN ENTOMOLOGIbT 



Wings smoky golden, all except internal border; tegulae golden fuscous, 

 halteres concolorous. 



Length of body, 5 mm.; of wing, 4)^ mm. 



Described from one specimen ; So. Illinois (Robertson). 

 Efinyomma clistoiJes, Twns. Trans. Am. Ent. Soc, XVIII, p. 371. 



A ^ specimen from So. Dakota (Aldrich), August 12. Measures 

 7 y^ mm. 

 Clista america7ia, n. sp., $. 



Eyes brown ; frontal vitta dark brown, blackish, averaging one-third 

 width of front, front averaging one-third width of head ; sides of 

 front, sides face and facial depression black, thinly silvery-pollinose ; 

 cheeks posteriorly black, thinly silvery, rest included in the large brown 

 pregenal area, an angle of which runs upward between sides of .face and 

 facial depression ; sides of face fringed with bristles on inner border, 

 cheeks on lower border ; antennae entirely rufous, third joint about twice 

 as long as second, arista brownish ; proboscis and palpi brown or blackish, 

 the proboscis fleshy, not as long as height of head, the palpi curved and 

 thickened at tip ; occiput black, black-hairy. Thorax and scutellum 

 shining black, the thorax in front slightly silvery, leaving three black 

 vittse which become lost near suture. Abdomen shining black, with 

 a hardly greenish reflection, broad, flattened, rounded ; first two segments 

 with a lateral and a median marginal pair of weak macrochsetee ; third 

 with about eight marginal, and anal about six marginal macrochaetae of 

 normal size. Legs black, claws and pulvilli only a little elongate, 

 pulvilli smoky-yellowish. Wings grayish-hyaline, base and veins yellow ; 

 tegulse brassy-yellow, front scales white on outside, the rest transparent ; 

 halteres yellow, tinged with rufous toward base. 



Length of body, 63^ mm.; of wing, 5^ mm. 



Described from one specimen ; So. Illinois (Robertson). 

 2'ryphera amerlcana^ n. sp., $ . 



Eyes bare, brownish; front more than one-third width of head, frontal 

 vitta velvety brown ; frontal bristles descending to base of third antennal 

 joint, vertical bristles strongest, and with three next pairs directed backward, 

 two orbital bristles ; sides of front shining black ; facial depression and 

 sides of face black, somewhat silvery, epistoma pale luteous ; cheeks 

 shining black, anteriorly somewhat rufous ; facial ridges bare ; vibrissas 

 decussate, inserted on oral margin ; antennae rufous, more or less blackish, 

 third joint blackish-brown in some lights, fully two and one- half times as 

 long as second, somewhat widened ; arista brown, 3-jointed, often some- 



