The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
You're only hope is that JW will find another misplaced modifier in one of my posts and fully engage me.
In Nymphs, Ernie Schwiebert does describe an "orange-bodied" Chimarra species that he calls augustipennis. (In his illustrations, both the larva and pupa appear yellowish.) I'm uncertain about the validity of his depictions (both are morphologically inaccurate), but this species is not listed for PA.
Roger,
As much as I am greatly indebted to Ernie and love his Nymphs in particular, many of his illustrations are obviously inaccurate (and some of his taxonomy remains mysterious). With regard to the augustipennis illustrations, the depicted larva has two additional darkened plates behind the head