frigánea, caddisfly larvae r in the built home. trichoptera. caddisfly.river habitat

angling aquatic arthropoda awakening bait built butterfly caddies caddis caddisfly caddisflyriver case catching close crawly creek ecology entomology fauna fishing fly frigaiexcl nea habitat home imago insect insecta invertebrate juvenile larva larvae lepidoptera lepidottero leptoceridae macrophotography mayfly morpha mountain nature phryganea predator protective railflies river salmonidae sedgeflie shelter signs snorkeling spawning spring trichoptera underwater wild worm