THE CANADIAN ENTOMOLOGIST. 119 



11. In the hind wings the discal cell but little if any before the 

 forking of the median vein: second apical cell of fore wings 



wide at base, membrane granulate Pycnopsyche. 



In the hind wings the discal cell plainly before the forking of 

 median vein 12 



12 Large full winged species; membrane not 



granulate Clistoronia, n. gen. 



(Hales Hs magnus Bks.) 

 Small, female short-winged; hairs on the membrane of fore 



wing as long as those on the veins Psychoronia, n. gen. 



{PsUopteryx brevipennis Bks.) 



13. Anal cell not divided at base; spurs 1, 3, 3; fourth apical cell 



in hind wings broad Platycentropus. 



Anal cell divided as usual at base; spurs usually 1, 3, 4 14 



14. Fifth joint of tarsus I with spines beneath; bristles on veins 



barely longer than on the membrane Grammotaulitis. 



Fifth joint of tarsus I without spines beneath; bristles on veins 

 much longer than those on membrane 15 



15. Hind wings strongly emarginate on outer margin near end of 



the cubitus; pronotum large and prominent; discoidal cell 



very long 16 



Hind wings scarcely emarginate at end of cubitus; pronotum 

 less prominent 17 



16. Fore wings long and slender, tips rounded Anabolina. 



Fore wings shorter, tips more acute; pronotum 



longer Colpota iilius. 



17. Fourth apical cell in hind wings narrowed at base; mesothoracic 



strips long; outer margin of fore wings 



oblique ., Limnephilus. 



Fourth apical cell in hind wings not narrowed at base; meso- 

 thoracic strips short; outer margin of fore wings more 

 rounded A naholia. 



18. Bristle-bearing granules scattered over the mesonotum without 



leaving a median smooth area; pronotum large and promi- 

 nent; fork 3 in both wings pedicellate; 



spurs 1. 3, 4 Leptophylax. 



Bristle-bearing granules arranged in two strips, leaving a 

 smooth median area 19 



