Phil Savoie / Morning dun mayfly (Ephemerella excrucians) Bozeman, Montana, USA.
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Phil Savoie / Pale morning dun (Ephemerella dorothea Infrequens) pair mating in flight, Madison River, Montana, USA.
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Phil Savoie / Pale morning dun mayfly (Ephemerella Infrequens), female carrying egg ball she is about to deposit in river, Madison River, Montana, USA.
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Phil Savoie / Pale morning dun mayfly (Ephemerella Infrequens), female carrying egg ball she is about to deposit in river, Madison River, Montana, USA.
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Wild Wonders of Europe / Möllers / Blue-winged olive mayfly (Serratella ignata) nymphal skins / exuviae shed on a stone, San River, Myczkowce, Poland, September 2011
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Wild Wonders of Europe / Möllers / Blue-winged olive mayfly (Serratella ignata) nymphal skins / exuviae shed on a stone, San River, Myczkowce, Poland, September 2011
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Phil Savoie / Pale morning dun mayfly (Ephemerella Infrequens), female carrying egg ball she is about to deposit in river, Madison River, Montana, USA.
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Phil Savoie / Pale morning dun mayfly (Ephemerella Infrequens), female carrying egg ball she is about to deposit in river, Madison River, Montana, USA.