Your friend Fred
sent you this picture from Troutnut.com
, a website about fly fishing for trout. It has thousands of close-up pictures of the bugs trout eat and information about how those bugs behave and how to catch choosy trout. There's more
Hey Bob, have a look at this website. If I don't get out fishing soon my head's gonna pop.
This is the picture that shows why this is Stenonema instead of Maccaffertium. The main gills are rounded rather than truncate (square-ish) and the last, thread-like pair of gills is visibly tracheated (that little stripe through the center). Those characteristics distinguish Stenonema femoratum.
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