Mayflies are the most primitive winged insects. They pass the majority of their lives as aquatic nymphs in streams and lakes, and are not tolerant of polluted conditions. They are unique among insects in having an extra pre-adult (subimago) winged stage; it lasts only a day or two and is inactive, resting in vegetation. The true adult (imago) stage then emerges, leaving a shed skin, and takes flight, often to join a swarm over water or waterside vegetation.
It's relatively common for people to upload sightings which may actually contain multiple species.E.g. photos of a plant that may also have captured an insect on one of the leaves OR a photo containin...
Capital Ecology backs NatureMapr for 2026
NatureMapr integrates with Wildlife Insights for NSW based camera trap data