268 NEUROPTERA OP NORTH AMERICA. 



2. E. intercisa! 



Limnephilus intercisus Walk.! Catal. 30, 41. 



Fuscous, with white hair ; antennas fuscous, annulated with lu- 

 teous; feet luteous, with black spines, spurs short; anterior wings 

 long, narrow, fuscous, subtuberculous, with white hair ; with a 

 discoidal, oblique, spot, the thyridium and a point at the margin 

 of each apical areole, whitish-hyaline; veins lurid; posterior wings 

 grayish-hyaline. Male. 



Var. Black, antennae and feet ferruginous; thorax striped with 

 hoary; anterior wings fuscous, irrorate with whitish, with some ob- 

 long darker brown and whitish discoidal spots, and with small 

 white spots at the apex ; posterior wings somewhat gray. (From 

 the description of Walker.) 



Length to tip of wings 18 millim. Alar expanse 34 millim. 



Hal. St. Martin's Falls, Albany River, Hudson's Bay (Barn- 

 stou). 



3. E. praeterita ! 



Limnephilus praeteritus Walk.! Catal. 32,44. 



Black, with pale hair ; antennae stout, black ; feet blackish- 

 brown, with fuscous spines, spurs rather short, fuscous ; anterior 

 wings short, the apex elliptical ; surface subtuberculated, with a 

 few longer, fuscous hairs, gray-hyaline, sparingly sprinkled with 

 fuscous ; fuscous guttse at the anal angle, at the posterior margin 

 and at the pterostigma, which are confluent ; veins black ; the 

 margins with short cilise ; posterior wings cinereo-hyaline. 



Length to tip of wings 13 millim. Alar expanse 23 millim. 



Hob. Arctic America, Mackenzie and Slave Rivers (Richard- 

 son). 



4. E. difficilis. 



Limnephilus difficilis Walk.! Catal. 34, 50. 



Testaceous, with pale hair; antennas fuscous, the two basal arti- 

 cles altogether and the base of the following ones testaceous ; an- 

 terior wings subtestaceous, closely, but indistinctly irrorated with 

 hyaline, spots often confluent ; veins ferruginous ; posterior wings 

 hyaline. (From the description of Walker.) 



Length to tip of wings 15 millim. Alar expanse 28 millim. 



Hob. Nova Scotia (Redman). 



