110 NATHAN BANKS. 



Hydropsyche noT»mexicana n. sp. — Head brown, clothed with 

 white hairs and erect black bristles from posterior warts ; the latter are large and 

 transverse; eyes of male not large, wide apart. Autenuge pale, with white hairs, 

 spirally annulate with black; legs pale, with whitish hair; spurs yellowish; 

 thorax brown, clothed with white hairs; abdomen pale yellowish, with whitish 

 hair. Wings hyaline, with yellowish hair, densely irrorate with dark brown, 

 most heavily beyond anastomosis, pterostigma dark. Vein closing discal cell 

 comes close to base of lower fork some distance from upper fork. Apical fringe 

 alternately black and yellowish. Male claspers broad at tip and bifid. Length 

 10 mm. 



Males from Roswell, August 21st, and apparently the same from 

 Embudo, September 25th, at light (Cockerell). 



Hydropsyche sp. 



Two specimens from Roswell, August 22d, at light (Cockerell), 

 represent another species, probably undescribed. 



Family LEPTOCERID^. 



Leptocella gracilis u. sp. — Pale yellowish, short and sparse hair on 

 front of head and basal joints of antennse ; thorax above with long dense hair, 

 antennae dark, the joints on basal one-third are pale on bases, fully twice as long 

 as wings; palpi with short, rather sparse white hair; legs yellowish, the hind 

 tibia with a row of long white hairs below on basal portion, spurs 0-2-2, quite 

 short. Anterior wings sparsely clothed with yellowish hair; venation dark 

 toward tip of wings, fi'inge on outer margin mostly black ; hind wings pale grey- 

 ish, with pale venation and fringe. Structure similar to L. exquisita, hut the 

 wings more slender and more pointed at tips; the basal joints of antennae very 

 large and contiguous; the venation similar to that species, but the discal cells 

 longer, and the fifth apical cell longer pedicellate. Length to tip of wings 15 mm. 



One male from Gallinas Canyon, July 30th (Oslar). 



EXPLANATION OF PLATE I. 



Fig. 1. Leptocella ffracilis, male genitalia. 



'' 2. DicosmcecHS maculahis, wing. 



" 3. Psilopteryx brevipennis. 



" 4. Dicomnwcus mncidatus, tii> of abdomen. 



" 5. Chloroperla 5-punctata, tip of venter. 



" 6. Nemoura colorudensis, male. 



" 7. Rhi/ncuphila cohradensis, tip of abdomen. 



" 8. Chloroperla pnllidula, tip of female venter. 



'• 9. Acroneuria nigrita, tip of female venter. 



" 10. Brachynemnrus elongatu.t, tip of abdomen. 



" 11. Nemoura color adensis, female. 



" 12. Hydropsyche novamexicana, genitalia. 



'■ 13. Glossosoma parvula, ventral plate, genitalia. 



" 14. (jlossoma ventr<dis, ventral plate, genitalia. 



