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Thread: Yellow Caddis

  1. #1

    Default Yellow Caddis

    Yet to identify, a vivid yellow sedge from Llyn Berwyn ( blanked, first time ever...).
    Watching this one hatch was the highpoint of the day. The lake has dark peaty water, how an insect which contrasts so vividly with its surroundings can survive is beyond me, it has a huge disadvantage, still, Trichoptera been around for a couple of million years as a family, presumably the hatches were so immense back in the day that the colouration was not a primary factor in their evolution, these days, at the end of abundance, let alone super abundance, this species looks like it's in for a hammering.








    The abdomen, which I should have photographed, was green, the rest, as the images show were bright yellow, the larva, which swam in the surface film for a minute or so making a disturbance was extremely visible.
    Musha rig um du rum da

  2. #2
    Join Date
    May 2006
    Location
    Central Scotland
    Posts
    3,421

    Default Re: Yellow Caddis

    Don't worry, be happy.
    Sandy
    Carried it in full, then carry it out empty.

  3. #3
    Join Date
    Jul 2009
    Location
    Swansea
    Posts
    972

    Default Re: Yellow Caddis

    It looks like it's one of the Limnephilinae species; mabe Rhadicoleptus alpestris which has a greyish yellow fore wing with pale patches.

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