Two mayflies on my screen window. One each dun and spinner. Both males (large eyes). Small (5-6mm), grey wings on the dun, clear wings on the spinner. Hind wings visible, narrow. 2 tails. Grey-brown bodies.
mutant insects River
This is a photo of the bottom of the fly
A two tail dark mayfly spinner. This is a medium size female spinner with clear wings. It was in an open cooler that had water in it near a light.
Reddish brown body, a touch of yellow. Grey wings. Note the projecting bump on leading edge of hind wing. 3 tails ,striped, reddish brown.
Insect captured 11:30.
Many Brown Drakes, only a few fish rising. Caught 2 Brook Trout (8" and 12") on #10 March Brown Comparadun. Caught 1 Rainbow Trout on #12 March Brown Nymph in the Whippernon Pool section.
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...