LIMNOPHILUS. 261 



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



LTab. Nova Scotia (Redman). 



It is allied to L. impurus, Rambur. 



23. L. subguttatus. 



Limnephilus subguttatus Walk.! Catal. 34, 52. 



Testaceous, with pale hair ; base of the anterior wings, margin 

 behind, and the apex subguttated with whitish, a fuscous spot at 

 the pterostigma which is broadly surrounded with hyaline ; poste- 

 rior wings subhyaline. (From the description of Walker.) 



Length to tip of wings 12 millim. Alar expanse 23 millim. 



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

 ston). 



It is allied to L. rufus Rambur. 



24. L. subpunctulatus ! 



Phryganea subpunctulata Zetterst. Ins. Lapp. 1065, 20. — Limnephilus 

 stipatus Walk.! Catal. 29, 37. 



Black, tinged with- gray ; covered with luteous hair ; antennas 

 fuscous, annulated with luteous ; thorax black-gray, above with a 

 double, luteous, hairy stripe ; abdomen annulated beneath with lu- 

 teous ; feet yellowish, with black spines ; wings whitish-hyaline, 

 somewhat clothed with snow-white hair, partly veined with fuscous, 

 marked with large, confluent, fuscous guttee, the anterior margin, 

 disk, and thyridium, almost immaculate ; posterior wings whitish- 

 hyaline. 



Female. Four anal appendages short, acute, yellowish, valvule 

 broader, emarginated. 



Length to tip of wings 13 millim. Alar expanse 25 millim. 



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

 ston) ; Arctic America, Mackenzie and Slave Rivers (Richard- 

 son) ; Europe, Umea, Lapland. 



25. L. trimaculatus ! 



Phryganea trimaculata Zetterst.! Ins. Lapp. 1065, 18 ; Kolen. Trichopt. 

 53, 7; Walk. Catal. 26, 27. — Limnophilus partitus Walk.! Catal. 

 32, 45. 



Black, with black and white hair; antennas fuscous, annulated 

 with brown, the basal article black; feet testaceous, with black 



