14 NEUROPTERA OF NORTH AMERICA. 



16. P. aurantiacus ! 



Psocus aurantiacus Hag.! 



Orange-colored, shining ; head bright orange, occiput in the 

 middle dusky ; antennsB pale, brownish-black at the apex ; thorax 

 orange with four cloudy spots upon the dorsum ; feet yellow, tarsi 

 fuscous at the apex ; abdomen yellow ; wings yellowish-hyaline, 

 pterostigma bright yellowish green ; veins yellow, apical ones 

 fuscous ; cellule of the posterior margin orbiculai;. (Female.) 



Length to tip of wing 3^ millim. Expanse of wings 6 millim, 



Mab. Dalton, Georgia (Osten Sacken). 



Fam. IV. PERLINA. 



^ocfy depressed, elongated, parallel; prothorax large; an- 

 tennae long, setaceous ; wings unequal, posterior ones 

 broader ; tarsi three-articulate. 



-\ Tioo abdominal setcB. 



* Wings charged with many irregular transverse veins. 



PTERONARCYS Newman. 

 Wings densely net-veined ; palpi setaceous ; mandibles mem- 

 branaceous. This genus is very abnormal on account of its imago 

 being furnished with external branchiae. 



1. P. proteus! 



Pteronarcys proteus Newman! Entom. Mag. V, 177, 3. Walk.! Catal. 

 139, 1. Gosse, Canadian Naturalist, fig. — , p. 232. 



Fuscous, head broader than the prothorax ; antenna? paler at 

 base ; sides of the prothorax emarginate, a little broader poste- 

 riorly, an interrupted yellow line upon the middle. (Is it so always?) 

 Feet yellowish-fuscous, knees yellow; abdomen beneath yellowish; 

 the caudal setai luteous, paler at base ; J* last ventral segment 

 yellowish, narrower, sparsely punctured ; 9 ? antepenultimate seg- 

 ment truncated, armed with two distant, conical, yellowish append- 

 ages ; wings pale grayish-hyaline, veins fuscous, clouded. 



"Length to tip of wings 38 — 48 millim. Expanse of wings 

 73_90 millim. 



Hab. Trenton Falls, New York (Doubleday) ; Mackenzie River 

 district (Richardson) ; North Red River (Robt. Kennicott). 



