Jan Hamrsky: Non-biting midge larva (Chironomidae, Rheotanytarsus)
Jan Hamrsky: Non-biting midge larva (Chironomidae, Rheotanytarsus)
Jan Hamrsky: Non-biting midge larvae (Chironomidae, Rheotanytarsus), in the shelter attached to the freshwater sponge (Spongilla lacustris)
Jan Hamrsky: Non-biting midge larvae (Chironomidae, Rheotanytarsus), in the shelter attached to the freshwater sponge (Spongilla lacustris)
Jan Hamrsky: Non-biting midge larvae (Chironomidae, Rheotanytarsus)
Jan Hamrsky: Non-biting midge larvae (Chironomidae, Rheotanytarsus)