The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
Option 1 | Option 2 |
---|---|
Transverse dark pigment band of frons lateral to median ocellus interrupted by circular yellow areas (sf 16.168) | Transverse dark pigment band of frons uninterrupted by enclosed yellow areas (sf 16.170) |
Ventral lacinial surface with outer patch of about 10 setae (sf 16.169) | Ventral lacinial surface without outer patch of setae |
Right mandible with 4 teeth | Right mandible with 5 teeth |
Hydroperla | Helopicus |