Upper Delaware river insects, insect identification for fly fishing mayflies.

Caddisfly Case Types

Aquatic insect, anatomy, Mayfly, Delaware, river, identification, mayflies, caddisflies, stoneflies.

   Caddisfly Case Types.

   1. A free living Hydropsychidae larva.

   2. A free living Rhyacophilidae.

   3. A free living caddis retreat attached to a stone.

   4. Stone tube case of Psilotreta.

   5. Stone case of Mystacides attached to twigs.

   6. Apatania carrying it's portable stone tube case.

   7. Tube or log cabin type case of Brachycentrus appalachia.

   8. Tube or log cabin type case of Lepidostoma.

   9. Stone case of Neophylax.

   10. Tortoiseshell or saddle case of Glossosmatidae.


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