NATHAN BANKS. 351 



twice as long as width of joint. Wings dark, with many small yellowish 

 white spots, especially numerous in apical half, larger semi-circular 

 ones on margin between ends of the veins, a large circular one with 

 geminate dark dot in the base of the second fork, an elongate spot on 

 the stigma, several in the costal area ; hind wings smoky, darker near 

 tip, and there indistinctly maculate with pale, the radius black, other 

 veins brown. Fore wings rather broad, outer margin slightly rounded ; 

 fork 2 plainly much before 1, fork 3 longer than pedicel beyond the 

 cross-vein, fork 5 is broader near middle than at tip, and fork 4 widens 

 but little at the tip. 

 Expanse 30 mm. 



From Vernon; British Columbia, and Bon Accord, British 

 Columbia, 14 June (Russell). 



Kliyacophila atrata n. sp. 



Belongs to section in which fork 2 extends farther basally than fork 

 1. Deep black, head and thorax rather shining, abdomen dull black ; 

 ocellar warts fully two diameters apart ; legs yellowish, tarsi darker, 

 spurs black, preapical one on front tibiae but little longer than the 

 width of the joint. Wings black, stigma very dark, a snow-white spot 

 over veinlet connecting the medius and cubitus, no other pale spots ; 

 fore wings quite short and broad, outer margin rounded, fork 3 fully 

 as long as the pedicel beyond cross-vein, fork 4 wide at tip, fork 5 

 with parallel sides for most of the distance ; hind wings black, but not 

 so intense as the front pair. 



Expanse 12 mm. 



From Black Mountain, north fork of the Swannanoa River, 

 North Carolina, May. The smallest species so far described 

 from the United States. 



Kliyacophila luctuosa n. sp. 



Belongs to section in which fork 2 extends farther basally than fork 

 1. Head, palpi and antennae deep black, head with much golden hair, 

 ocellar warts more than two diameters apart ; thorax black, with golden 

 hair in front ; abdomen dull black, paler beneath, and genitalia pale; 

 legs pale on femora, dark on tibiae and tarsi, spurs dark, the preapical 

 one on first tibia nearly twice as long as width of the joint. Wings 

 blackish, veins black, stigma also black, heavily spotted with yellow 

 in the cells, a larger spot on the stigma, no large spot on anal mar- 

 gin ; wings long, but outer margin rounded, fork 3 shorter than the 

 pedicel beyond cross-vein, fork 5 with nearly parallel sides ; hind wings 

 dusky, black near tips. 



Expanse 20 mm. 



From Woodv^orth Lake, Fulton County, New York, 23 



TRANS. AM. ENT. SOC. , XXXVII. 



