Jan Hamrsky / Minnow mayfly nymph (Ephemeroptera, family Baetidae) abdomen and caudal filaments detail, Europe, May, controlled conditions
01407072
Jan Hamrsky / Minnow mayfly nymph (Ephemeroptera family Baetidae), hiding in plants and wood, Europe, May, controlled conditions
01593558
Phil Savoie / Speckled dun mayfly (Callibaetis ferrugineus) newly hatched mayfly struggling in water tension, possible prey for trout. Montana, USA, May.
01593557
Phil Savoie / Speckled dun mayfly (Callibaetis ferrugineus) newly hatched mayfly struggling in water tension, possible prey for trout. Montana, USA, May.
01593556
Phil Savoie / Blue winged olive mayfly ( Baetis tricaudatus) male dead on water after mating, Bozeman, Montana, USA.
01713329
Will Watson / Pond olive mayfly (Cloeon dipterum) nymph, close up, Lugg Rhea, Herefordshire, England, UK. August. Controlled conditions.
01664036
Chris Mattison / Mayfly, (Ephemera danica), Catbrook, Monmouthshire, Wales, UK.
01664006
Chris Mattison / Mayfly, (Ephemera danica), Catbrook, Monmouthshire, Wales, UK.
01640948
Andy Sands / Pond olive mayfly (Cloen dipterum) newly emeger adult with larval case on stem, Hertfordshire, England, UK, June. Focus Stacked.
01640947
Andy Sands / Pond olive mayfly (Cloen dipterum) adult resting on stem, Hertfordshire, England, UK, June - Focus Stacked
