136 THE CANADIAN ENTOMOLOGIST. 



1. DoHchopus sincertts, n. sp. (Figs. 9, 10.) 



Legs, except all the coxae, hind tarsi and tip of hind tibise, yellow ; 

 cilia of inferior orbit black ; fourth longitudinal not broken, but bent ; 

 antennae black ; legs plain ; wings unspotted. 



Male. — Length 4.5 mm., of wing 4 mm. Bright brassy-green. Face 

 narrow, silvery-dusted, with a slight yellowish tinge on upper part, under 

 the antennae a little darkened. Palpi dark, silvery-dusted. Antennae 

 wholly black, third joint broadly ovate; arista a little longer than antenna, 

 stout, tapering, not evidently pubescent. Vertex shining brassy- 

 green, not dusted. Infra-ocular cilia pale yellow, not strong. Thoracic 

 dorsum bright brassy-green, more cupreous along sides and with two 

 cupreous stripes in front bounding the rather strong acrostichals. The 

 velvety and the silvery spots present near base of wing. Abdomen shin- 

 ing, green, becoming more cupreous, then piceous towards incisures. 

 Hypopygium with the lamellae moderate in size, the lamellae sub-triangular, 

 whitish with wide black border and ordinary fringe of hairs. Pleura 

 greenish, glaucous, and in various places with a cupreous reflection. 

 Coxpe concolorous with the pleura, except at very tips ; fore coxae with 

 black hairs and bristles on anterior surface ; middle coxae with white 

 hairs intermixed with the black. Femora reddish yellow, slightly darker 

 on upper surface, especially on hind femora toward tip ; posterior four 

 with a single preapical bristle; hind femora not ciliated beneath, although 

 the small hairs are a trifle longer than usual ; tibiae yellow, except outer 

 sixth of hind ones, where the black encloses a "dimple" on the outer 

 side ; tarsi plain, anterior four from tip of first joint and whole of hind 

 tarsi black ; pulvilli pale yellow, small. Wings grayish-hyaline, broad ; 

 costa elongate, thickened at tip of first vein ; fourth vein with usual flexure; 

 posterior cross-vein perpendicular to first segment of fifth vein and 

 distant about three times its own length from tip of fifth ; hind margin 

 with rather evident fringing. Tegulae and halteres yellow ; tegular cilia 

 black. 



One male, collected by Dr. Wm. M. Wheeler, in Price County, Wis- 

 consin, August 19, 1897. 



Differs iron\ prcsustus by the face being more silvery, vertex shining, 

 fore femora not darker beneath, wings not blackened at tip, and the 

 fourth longitudinal distinctly bent. 

 2. Dolichdpus miseHus, n. sp. (Fig. 11.) 



Femora yellow, hind ones not ciliated ; cilia of inferior orbit pale ; 



