CADDIS FLY LARVAE—FLINT 477 
Description: Length, 15 mm. Head, yellow, becoming golden ante- 
riorly; a dark median longitudinal bar dorsally (fig. 6,a), a pair of dark 
bars sublaterally on venter, second segment of maxillary palpus slightly 
longer than first; mandibles edentate (like fig. 2,a). Thorax, prono- 
tum yellow on anterior third, deep brown on posterior two-thirds; 
mesonota and metanota with dark bars on posterior halves; fore 
femora broader than other femora. Abdomen, segments 1-8 dorsally 
blackish brown on posterior half; anal prolegs with a basoventral 
hook, and an apicolateral>spur that is short, decurved, and with 
apex turned laterally; claw with.2 large ventral teeth (fig. 6,b). 
Ficure 6.—Rhyaco phila melita: a, head and pronotum, dorsal aspect; }, anal proleg, lateral. 
R. species 1: ¢, head and pronotum, dorsal; d, anal proleg, lateral. 
