see text Philopotamidae is a family of insects in the order Trichoptera, the caddisflies.

They are known commonly as the finger-net caddisflies.

[1][2] The aquatic larvae of these caddisflies spin mesh nets of silk in flowing water to catch food.

A larva can spin over a kilometer of extremely thin silk to create its intricate net.

[3] Subfamilies and genera include:[2]