banks: new neukopteroid insects. 7 



Pale yellowish (greenish in life), eyes and ocelli black, pronotum 

 rather fumose, the margin black all around except in the middle 

 behind; hind margin of meso- and of metascutellum black; tarsal 

 claws black; venation pale. Ocelli forming a triangle a little broader 

 behind, posterior ocelli plainly nearer to eyes than to each other; 

 pronotum two and a half times as broad as long, sides evenly rounded, 

 surface faintly rugulose; legs slender, tibia I as long as width of the 

 pronotum. Wings moderately long, radial sector one-branched 

 beyond anastomosis, the fork with a long pedicel; about four medic- 

 cubital cross-veins; anastomosis widely disjointed; cubital sector 

 soon runs into hind margin. 



Expanse 16 mm. 



Alloperla lineosa, sp. nov. 



Type.— M. C. Z. 10,048. Colo.: Grant, 20 August. E. C. Jack- 

 son. Two specimens. 



Pale yellowish (green in life), eyes and ocelli black; pronotum with 

 a median black line which is enlarged at each end, and continued back 

 over the middle of the thorax and most of the abdomen ; venation pale. 

 Ocelli in an equilateral triangle, posterior ocelli no nearer to eyes than 

 to each other; pronotum twice as broad as long, sides rounded, sur- 

 face finely rugulose; legs slender, tibia I longer than width of the 

 pronotum. Wings o^ moderate length, anastomosis widely dis- 

 jointed, radial sector one-branched beyond, the pedicel long; about 

 three medio-cubital cross-veins ; cubital fork soon runs into the margin. 



Expanse 14 mm. 



Taeniopteryx parvula, sp. nov. 



Txjpe.— M. C. Z. 10,049. Va.: Peach Grove Hill, February; 

 D. C: Washington, February. N. Banks. Two specimens. 



Black; head and thorax densely clothed with minute gray pubes- 

 cence; legs more brownish. Ocellar triangle fully twice as broad as 

 long, the lateral ocelli only little more than their diameter from the 

 eyes. Pronotum one and two thirds as broad as long, as broad in 

 front as behind, sides parallel; hind tibia of male slightly sinuate. 

 Wings gray fumose, rather darker in stigmal region; no pale band. 

 Costal area with only basal cross- vein; no cross-vein beyond end of 

 subcosta; radial sector with one branch, this just beyond the cross- 



