Mayfly in September

I have just completed a two-week Alberta tour, moving through the mountains down to the prairies. My first bug pic from the mountains was this Mayfly (Order Ephemeroptera), that was drawn to my mini-blacklight setup on the first evening. To flyfishers, this is the Little Western Blue-Winged Olive, Attenella margarita–a late season Mayfly. The Ephemeroptera are considered […]