Nick Upton / Green drake mayfly (Ephemera danica), newly emerged on a riverside grass stem, Wiltshire, UK, May.
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Andy Sands / Mayfly (Ephemera danica) just emerged at waters surface in dun form, the first of two winged adult instars or developmental stages, Hertfordshire, England, UK, June.
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Andy Sands / Mayfly (Ephemera danica) just emerged at waters surface in dun form, the first of two winged adult instars or developmental stages, Hertfordshire, England, UK, June.
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Jan Hamrsky / Common burrowing mayfy nymph (Ephemera danic(b, Europe, May, controlled conditions
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Emanuele Biggi / Beautiful demoiselle (Calopteryx virgo) feeding on Mayfly (Ephemera sp.) prey, on foliage overhanging a small stream, Genova, Italy. July.
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Guy Edwardes / Green drake mayfly (Ephemera danica) resting on dew-covered grass, Rhodope Mountains, Bulgaria. June.
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Andy Sands / Green drake mayfly (Ephemera danica) roosting at dawn covered in dew. Hertfordshire, England, UK. June. Focus Stacked.
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Andy Sands / Green drake mayfly (Ephemera danica) roosting at dawn covered in dew. Hertfordshire, England, UK. June. Focus Stacked.
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Guy Edwardes / Grey drake mayfly (Ephemera danica) resting on reed, Powerstock Common, Dorset, UK, May.
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Guy Edwardes / Green drake mayfly (Ephemera danica) resting on Wild onion (Allium vineale), Sturminster Newton, Dorset, UK, June.
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Guy Edwardes / Green drake mayfly (Ephemera danica) at sunset, River Frome, Dorchester, Dorset, UK, June.
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Andy Rouse / Common mayfly (Ephemera danica) against setting sun, Wales, UK.
