Excellent Info re Chironomids~Midges by Philip Rowley@Fly Craft Angling
Midges (Buzzers, Chironomids, Chironomidae, Diptera, Gnats, Bombers, Bloodworms) are a staple for trout. Midges can comprise a significant portion of a trout’s diet in some lakes or rivers. Sizes vary, but tend toward the small offerings in larva, pupa, emerger, adult patterns. Type in Chironomid into Google Images and you will get the overview of this simple food form. Watch for swooping/feeding birds above the water’s surface as an indicator of a hatch.