Quote Originally Posted by lastchance View Post
Would the body color on a Grannom emerger be green or dark brown with a gray wing or shroud? In what part of the evolutionary process do they turn from green to dark brown and almost black? I always get mixed up with caddis hatches.
Thanks,
Bruce
This one's particularly confusing because grannom refers to the genus brachycentrus. Then the question is which species.

I'm no bug expert, but I think two species are important: Americanus (American Grannom) and Numerosus.

I think Americanus is the brown wing, green body. Numerosus is the gray body, dark (almost black wing). I wonder if you're getting the two confused (or heck, maybe I'm just plain wrong)?

I fish the b. numerosus hatch every april. Green body/black wing ESP's and DSP's work as does the classic starling & herl fished down and across. Mercer's Z-wing pupa is a good
'un as well. For the adult, I like a grey body, black wing with the hackle tied up front like a stimulator (not palmered on the body).