Agrypnetes crassicornis (The Malham Sedge) A male is shown here.

This is a critically endangered Caddisfly which is only found in one lake in Britain,  Malham Tarn, North Yorkshire. Photographed by Sharon Flint on the Northern shore of the tarn on August 9th 2016. 

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Caddisflies

Phryganea bipunctata fermale. Credit Sharon Flint
Caddisflies or Trichoptera, (meaning, from the Greek trichos a hair and pteron a wing; hairy-wings)

Stoneflies

Nemoura cinerea adult female, Malham fen. Credit Sharon Flint
Stonefly recording in Yorkshire

Mayflies

R.semicolorata adult male, Malham Tarn. Credit Sharon Flint
Mayfly recording in Yorkshire

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Stonefly larvae - Perla bipunctata. Credit Sharon Flint
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Libellula depressa - Broad-bodied chaser. Credit Sharon Flint
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Recording in freshwater habitats