8 bulletin: museum of comparative zoology. 



vein, the anastomosis is continuous and not disjointed, the connection 

 from radial sector to median being nearly straight across (not oblique). 



Venter (Plate 1, fig. 2). Male genitalia (Plate 1, fig. 3). 



Expanse 17 mm. 



Taeniopteryx grinnelli, sp. nov. 



Type — M. C. Z. 10,050. Calif.: Millard Canon, Pasadena, 10 

 April. F. Grinnell. Two specimens. 



Dull dark brown or blackish; legs and antennae paler yellowish 

 brown, tips of femora, bases and tips of tibiae, and the tarsi darker; 

 male genitalia yellowish. Ocelli form a triangle a little broader than 

 long, the hind ocelli almost twice their diameter from the eyes; pro- 

 notum one and a third times as broad as long, broadest just before the 

 middle the sides convex, a few, rather large smooth, raised spots on 

 the disc behind the transverse furrow. Fore wings with a pale band 

 across just beyond the end of the subcosta ; the radial sector with but 

 one branch, this shortly beyond the cross-vein; the costal area has 

 the usual basal cross-vein, but no other cross-veins till near the tip. 

 Male hind femora unarmed, and the tibia straight. Male genitalia 

 (Plate 1, fig. 6). 



Expanse 20 mm. 



Taeniopteryx (Rhabdiopteryx) nigripennis, sp. nov. 



Type.— M. C. Z. 10,051. Wash.: Wenatchee, 31 May. E. J. 

 Newcomer. Three specimens. 



Black, with black wings. Head a little paler near the mouth, tips 

 of tibiae (in 9 ) pale ; basal costal part of wings pale, and with partly 

 yellowish venation; wings darkest in apical costal part, and near the 

 anastomosis; venter pale, in cf the apical plate is pale yellowish with 

 a black superior margin. Costal area with a basal cross-vein, and 

 usually two toward the end of the subcosta, radial sector with one 

 fork, likewise the median and cubital veins end in one fork, the latter 

 hardly more basad than the former; five to six median cross-veins, 

 six to eight cubital cross-veins; the posterior ocelli hardly more than 

 twice as far from each other as from the eyes; pronotum one and 

 a third times as broad as long, sides con\'ex, anterior corners rounded, 

 rather numerous rugosities each side; ventral plate of the 9 rather 

 broad, broadly rounded at tip. The apical plate of cf is long and 

 tapering. Venter cf 9 (Plate 1, fig. 4). 



Length 20 mm. 



