Jan Hamrsky:
Common burrowing mayfly nymph (Ephemera danica)
Jan Hamrsky:
Common burrowing mayfly nymph (Ephemera danica)
Jan Hamrsky:
Common burrowing mayfly nymph (Ephemera danica)
Jan Hamrsky:
Common burrowing mayfly nymph (Ephemera danica), burrowing itself into the sand
Jan Hamrsky:
Common burrowing mayfly nymph (Ephemera danica)