Jan Hamrsky:
Summer mayfly nymph (Siphlonurus lacustris)
Jan Hamrsky:
Summer mayfly nymph (Siphlonurus lacustris)
Jan Hamrsky:
Summer mayfly nymphs (Siphlonurus lacustris)
Jan Hamrsky:
Summer mayfly nymph (Siphlonurus lacustris)
Jan Hamrsky:
Summer mayfly nymph (Siphlonurus lacustris)
Jan Hamrsky:
Summer mayfly (Siphlonurus lacustris) emerging, sequence 4 of 4
Jan Hamrsky:
Summer mayfly (Siphlonurus lacustris) emerging, sequence 3 of 4
Jan Hamrsky:
Summer mayfly (Siphlonurus lacustris) emerging, sequence 2 of 4
Jan Hamrsky:
Summer mayfly (Siphlonurus lacustris) emerging, sequence 1 of 4
Jan Hamrsky:
Summer mayfly nymph (Siphlonurus lacustris)
Jan Hamrsky:
Summer mayfly nymph (Siphlonurus lacustris)
Jan Hamrsky:
Summer mayfly nymph (Siphlonurus lacustris)
Jan Hamrsky:
Summer mayfly nymph (Siphlonurus lacustris). Thanks to their body shape and rounded head these nymphs resemble Minnow mayfly nymphs of the family Baetidae, but they are more robust and have shorter antennae - shorter than twice the width of the head.
Jan Hamrsky:
Summer mayfly nymph (Siphlonurus lacustris)
Jan Hamrsky:
Summer mayfly nymph (Siphlonurus lacustris)
Jan Hamrsky:
Summer mayfly nymph (Siphlonurus lacustris)
Jan Hamrsky:
Summer mayfly nymph (Siphlonurus lacustris)