big hatch


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    big hatch

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    big hatch

    about a size 20

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    1. mike doughty

      Honorary Member
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      Registered: May 2004
      Location: the uinta's
      Posts: 10,197
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      Date: 8-5-07
      Views: 1,245

    mike doughty

    Honorary Member
    anybody know what kind of mayfly this is?
    #1 8-10-07 7:44pm


    This is a Diphetor hageni male imago. It has a common name of Blue-Winged Olive or BWO.
    #2 8-16-07 4:43pm

    Luke Ramirez

    Still DoubleUgly
    Looks like trico to me. What's the difference??
    #3 3-10-08 10:50pm

    Teenage Entomologist

    Gotta love the pteronarcys.

    yeah, looks like a trico definitely.

    #4 3-11-14 9:59pm

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