A widely distributed species. Typically
emerges from late May to the end of June.
3/8ths". Clumsy swimmers. Fish dead-drift.
Adults slate-winged with reddish, ringed body.
Close relative known as "Western Red Quill."
"Dark Red Quill"
Rhithrogena
impersonata
flatheaded
mayfly nymph
A widely distributed species. Typically
emerges from late May to the end of June.
3/8ths". Clumsy swimmers. Fish dead-drift.
Adults slate-winged with reddish, ringed body.
Close relative known as "Western Red Quill."
Other flatheaded mayflies:
"Light Cahill" , "March
Brown",
"Quill Gordon"