CADDIS FLY LARVAE—FLINT 483 
Ficure 8.—Rhyacophila invaria: a, head and pronotum, dorsal aspect; }, anal role g 
lateral. R.shenandoahensis: c,head and pronotum, dorsal. R.vibox: d,anal claw, lateral. 
Rhyacophila shenandoahensis Flint 
FIGURE 8,c 
Rhyacophila shenandoahensis Flint, 1958, p. 21 (male and female genitalia). 
This species has been collected only in the mountains of Shenandoah 
National Park and those nearby. 
Male metamorphotypes establishing the identity of the larva of 
this species, have been collected on several occasions. The larval 
