Jim posted a shot of a somewhat battered mayfly adult. Mayflies are the
only insects that shed its skin once again after becoming a winged adult,
going from what the fly fishermen call a "dun" to a "spinner." Jim's shot
is of a spinner--note the very clear wings. It's a bit harder to tell, but
it's a female. Put "Hexagenia" into Google Images for plenty of shots.
Duns are easily told from spinners by the dull, not clear, wings.
Dean
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