Hex Mayflies
Hexagenia limbata
The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.
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With a bit of help from the microscope, this specimen keys clearly and unsurprisingly to Hydropsyche.
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This was one of many of its species which were gathered in small, low-flying swarms of about a dozen insects near the alder trees in the afternoon on a small stream.
Taxon on Aug 23, 2006August 23rd, 2006, 8:11 pm EDT
Based on wings being shiny black rather than dull, and it not having been collected in the West, it is most likely M. sepulchralis.
Troutnut on Aug 24, 2006August 24th, 2006, 4:26 am EDT
Thanks Roger. I'm glad someone around here knows their caddisflies!
Now that I've finally finished getting the new site up, I'm going to start learning my bugs a little better too, especially my caddisflies.
Now that I've finally finished getting the new site up, I'm going to start learning my bugs a little better too, especially my caddisflies.
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist
Troutnut and salmonid ecologist