NATHAN BANKS. 21 



NEW NORTH AMERICAN NEUROPTEROID INSECTS. 



BY NATHAN BANKS. 



PERLID^. 



Cliloroperla inarginata n. sp.— Length 10 mm. Yellowish, head not 

 broader than the prothorax, yellow, ocelli and eyes black ; antennge yellowish at 

 base, darker beyond ; the ocelli form a triangle a little broader behind than long ; 

 prothorax yellow, a little obscure in the middle, sides very convex and narrowlv 

 but distinctly black, only slightly rngose within, once and a third broader than 

 long, all angles much rounded : thorax yellow, scutel margined with black behind. 

 Abdomen yellow, darker along the middle, setie pale. Legs yellowish. Wings 

 yellowish, veins yellow, transversals at end of discal cells disjointed, upper branch 

 of radial sector nearly twice as long as the pedicel beyond the transversals, about 

 five transversals between the cubiti. 



Two specimens from Golden, N. Y. [E. P. Van Dnzee.] Allied 

 to C. pacifica by black margined })rothorax, but separated by the 

 convex sides. 



Neinoura coloratleusis n. sp.— Length 8.5 mm., alar expanse 15 mm. 

 Black, abdomen somewhat paler on the sides and below. Leg.s testaceous, black- 

 ish at knees, hind femora very distinctly banded with black at tips, tarsi blackish, 

 no yellow on head nor pnrthorax, shining, both sparsely clothed with fine white 

 pile. Wings hyaline at base, blackish on pterostigma and obliquely below to the 

 cubitus, beyond and above the cubital fork gray, veins black ; prothorax nearly 

 square, rugulose ; subcosta of fore wings before running into the radius touches 

 the costa (in other species there is a cross-vein, though often very short), sector 

 of cubitus arising from cubitus, but slightly curved. 



One specimen, Ft. Collins, Col. [C. P. Gillette.] Known by its 

 black tipped hind femora and dark apical part of wing. 



NeillOiira ciiictipes n. sp.— Length % 10 mm.; 9 12 mm.; alar expanse 

 22 mm. Black, legs pale, except dark bands at bases and tips of femora and 

 tibise, most distinct on the hind pair. Wings pale, with black veins, a large discal 

 spot, a curved band beyond and extreme tip fuscous. Head and thorax covered 

 with pale i)ile. prothorax faintly margined with yellow in front, about as long as 

 broad behind, plainly broader in front, slightly rugose above ; radial sector not 

 much bent down at base, sector of cubitus plainly sinuous. 



Several specimens, Olympia, Wash. [T. Kincaid], February, 

 March and May. Readily known by the distinctly banded legs. 



Neinoura venosa n. sp. — Length: %. 6 mm.; 9. 7 mm.; alar expanse 

 13 nmi. Head and thorax black; legs pale, except posterior femora, which are 

 mostly black ; antennae fuscous. Wings pale, with black veins, margined with 

 fuscous, less distinct in the % ; head and tliorax clothed with pale pile, prothorax 



TE.\NS. AM. ENT. SOC. XXIV. FEBRfARY, 1897. 



