Originally Posted by Rip Tide
It would be very early for sulfurs in northeast Maine.
From a report that I read just this morning, they're still fishing Hendricksons in the Moosehead/Kennebec region
Yeah, I agree completely. Truly the tough thing to consider in a photograph is color... back-lighting, dialing up intensity (editing), can change things dramatically.
We can safely agree that the fly pictured is definitely Ephemerella
... after that, subvaria
(Hendrickson) and invaria
(Sulphur) are very close. The wild card here is E. rotunda
, which "officially" no longer exists, despite being a full hook size bigger (than invaria
) with yellow wing masts and olive highlights in the thorax. Anyway, E. rotunda
and E. invaria
are now classified as the same insect (E. invaria
For what it's worth, they continued to be separate to me since they are so physically different. The rotunda's
would kick off the "sulphur hatch" in SEPA right around last week in April (give/take a week or two) hatching just after lunch. Invaria's
were 2 weeks after and E. dorothea
another 2 weeks later (again, rough estimates and variable from year-to-year).
I guess for me the overall yellow appearance pushed me towards sulphurs.