306 THE CANADIAN ENTOMOLOGIST. 



with the coliar, tegulae, base of the wings, and the legs, white. Length, 

 6 mm. 



Habitat. — Ames, Iowa. Piofessor E. D. Ball, collector. 



Empria celsa, n. sp. — Female. Clypeiis uniformly flat or convex ; 



the antennal furrows linear, broadly interrupted on the middle of the 



front ; the ocellar basin wanting or at most indicated only adjacent to the 



median ocellus, the median fovea deep, with flaring sides ; the postocellar 



area and the dorsal margin of the head polished ; the region of the ocellar 



furrow flattened ; the ocellar and interocellar furrows distinct; the clypeus 



angularly emarginate, the lobes broadly rounded; the third segment of the 



antennae longer than the fourth ; the saw-guides with the upper and lower 

 margins parallel and truncately rounded at apex ; the body black, with 

 the clypeus at sides, the labrum, the tegulse, collar, wings at base, and the 

 legs beyond the apices of the coxae, except the front and middle feniora 

 more or less beneath, the hind femora in great part, and the hind tibiae at 

 apex, white. Length, 6 mm. 



Habitat. — Ithaca, N, Y. 



E?Hpria cal/ida, n. sp. — Female. Clypeus with a median carina; 

 ocellar basin dumb-bell-shaped, constricted to a mere line at middle, broad, 

 pit-like adjacent to the median ocellus ; the median fovea an elongate pit; 

 the antennal furrows interrupted on the middle of the front ; ocellar and 

 interocellar furrows distinct ; the clypeus emarginate, with a distinct tooth 

 .at middle ; the third segment of the antennse longer than the fourth ; the 

 saw-guides with the upper margin straight, the lower margin converging 

 and broadly, obliquely rounded at apex ; the body black, with the labrum, 

 clypeus, collar, tegula?, base of the wings, and the legs beyond the apices 

 •of the coxTs, white. Length, 6 mm. 



Habitat. — Ithaca, N. Y. 



Empria cava, n. sp. — Female. Clypeus with a median carina • 

 clypeus with a broad, convexly rounded median ridge, occupying almost 

 one-third of the width of the clypeus ; the antennal furrows interrupted on 

 •the middle of the front ; the median tooth of the clypeus distinctly shorter 

 than the lateral lobes, the lateral lobes broadly rounded ; the ocellar 

 furrow linear, the interocellar furrow broad and distinct : the third 

 segment of the antennae almost as long as the fourth and fifth together ; 

 •the saw-guides convex above and below, slightly, obliquely rounded at 



