NO. 3665 CADDISFLIES—FLINT 75 
 Larva.—Length to 14 mm, width 2.5 mm. Sclerites brown; head 
See with small spicules, except for posterior and paler muscle 
scars. Structurally identical to P. pulchrus; except for inner surface 
of forecoxae which bears 6-7 setae (10-12 in P. pulchrus). 
Pupa.—Length 9 mm, width 2.5 mm. Structurally similar to 
Ficures 222-231.—Phylloicus monticolus, new species: 222, male genitalia, lateral; 223, 
male eighth sternum, ventral; 224, clasper, posteroventral; 225, female genitalia, ventral, 
Helicopsyche apicauda, new species: 226, male genitalia, lateral; 227, clasper, postero- 
ventral; 228, female genitalia, ventral; 229, larval head, anterior. HH. species 1: 230, 
female genitalia, ventral. H. species 2: 231, larval head, anterior. 
