Sialis lutaria

Alderfly Sialis lutaria. Sudbury Hall, Derbyshire, 14/04/2007

Comments and faves

  1. Carla Finley (62 months ago | reply)

    Beautiful!

  2. Dave Mills (62 months ago | reply)

    I saw several of these on Thursday at the London Wetland Centre - there seems to be two kinds, a yellow/green type and this darker type.

    Any idea of that would be two species, or just immature and mature flies?

  3. Walwyn (62 months ago | reply)

    I think you saw different species. Alderflies are always this colour. Might the green type have been a Lacewing?

  4. Dave Mills (62 months ago | reply)

    This is the type I referred to above (sorry it took me a while to get around to grabbing stuff from the camera)

    Alder Fly ?

  5. Walwyn (62 months ago | reply)

    I'd say it was a alderfly heavily coated in pollen. Best to try wildaboutbritain, or one of the UK yahoo british_insects group.

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