In the spirit of the moment, I tried to summon what I knew about them. This mayfly had lived for a year or so underwater as a nymph with gills and an outer skeleton of armor. It had probably emerged into the terrestrial world that morning with new wings. It was in search of a mate and didn't have a moment to lose: In a day or two it would be dead. When we think about the environment, we tend to think big. As in air, ocean, rainforest and the globe itself. The same holds true about species in peril.