Brought this one home from the side of the grocery (they seem to like that building) to photograph and of course it flew off into a tree.
Female imago? 25 mm long (without the two tails)
Only one found for the night.
3 tails, found in spider web near river
This was the only guy I saw tonight of this species.
Residential area, found on a glass window. Shaded, cool area, second floor.
A different individual.
I am starting to see these little guys more often.
Large (Size 10 or 12) brownish-yellow-grey body, mottled (otherwise clear) wings, large eyes, long front legs and tails. Appears to be 3 tails (one broken off).
This is surely either Ephemera varia or Ephemera simulans, but I can't tell which.
Mayflies or shadflies are insects belonging to the order Ephemeroptera (from the Greek εφήμερος, ephemeros = "short-lived" (literally "lasting a day" "daily" or "day-long"), and πτερόν, pteron = "wing", referring to the brief lifespan of adults). They have been placed into an ancient group of insects termed the Palaeoptera, which also contains dragonflies and damselflies. They are aquatic insects whose immature stage (called "naiad" or, colloquially, "nymph") usually lasts one year in fresh water. The adults...