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    • siphlonuridae
  • (18)
Summer mayfly nymph (Siphlonurus lacustris), Europe, May. Controlled conditions.
01531472
Jan Hamrsky / Summer mayfly nymph (Siphlonurus lacustris), Europe, May. Controlled conditions.
Summer mayfly (Siphlonurus lacustris) adult emerging, Europe, May
01531475
Jan Hamrsky / Summer mayfly (Siphlonurus lacustris) adult emerging, Europe, May
Summer mayfly nymph (Siphlonurus lacustris), Europe, May. Controlled conditions.
01531473
Jan Hamrsky / Summer mayfly nymph (Siphlonurus lacustris), Europe, May. Controlled conditions.
Summer mayfly (Siphlonurus lacustris) male in flight, River Usk, Wales, UK, May.
01593570
Phil Savoie / Summer mayfly (Siphlonurus lacustris) male in flight, River Usk, Wales, UK, May.
Summer mayfly (Siphlonurus lacustris) male in flight, River Usk, Wales, UK, May.
01593569
Phil Savoie / Summer mayfly (Siphlonurus lacustris) male in flight, River Usk, Wales, UK, May.
Summer mayfly (Siphlonurus lacustris) in flight, River Usk, Wales, UK, June.
01593544
Phil Savoie / Summer mayfly (Siphlonurus lacustris) in flight, River Usk, Wales, UK, June.