Nick Upton / Pond olive mayfly (Cloeon dipterum) female on a nettle stem, Wiltshire, UK, May.
01593640
Phil Savoie / Blue winged olive mayfly (Baetis tricaudatus) Bozeman, Montana, USA.
01593639
Phil Savoie / Blue winged olive mayfly (Baetis tricaudatus) Bozeman, Montana, USA.
01593638
Phil Savoie / Fishing hook #28 hook, the smallest available hook, 4mm in average size to imitate the Tiny blue wing olive mayfly (Pseudocloeon sp.) seen in centre of the penny, Bozeman, Montana, USA.
01593637
Phil Savoie / Blue winged olive mayfly (Bateis sp.) male, Bozeman, Montana, USA.
01593635
Phil Savoie / Tiny blue wing olive (Acentrella turbida) on US penny, Bozeman, Montana, USA. August.
01593634
Phil Savoie / Tiny blue wing olive mayfly (Acentrella turbida) caught in spider web, Bozeman, Montana, USA.August.
01593641
Phil Savoie / Blue winged olive mayfly (Baetis tricaudatus) flying in front of aspen leaves. Bozeman, Montana, USA. April.
01491005
Kim Taylor / Mayfly (Chloeon dipterum) Surrey, England, May.
01490705
Jan Hamrsky / Minnow mayfly (Baetidae) nymph on submerged twig, Europe, January, 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.
