I really don't have any worth while information, but this reminded me of a time we were camped on the bank of the Kennebec near Skowhegan.
I was out on the river, discreetly smoking a herbal cigarette one night when I was freaked out by a dobsonfly landing on my face
If you've ever seen a dobsonfly, you'd know why. They're so ugly that they scare the fish. truth! (