Heptagenia sulphurea - Heptagenia sulphurea (Yellow May dun). Mayfly found in a garden in Hønefoss. Captured with Nikon D90, a 85 mm Nikkor Macro lens, f/11, ISO 2500 in cloudy conditions. © Fred Martin Kaaby - CC BY-SA 3.0 - Wikimedia Commons
Haut Rhône Français - Nohedes