Explanation of Names
From chion (χιών), the Greek word for snow.
Remarks
Wingless. Often seen in winter walking on snow.
Internet References
Snow Flies, by Schrock, J.R. (1992). The Kansas School Naturalist 38(2)
Notes on the Habits of the Snow-Fly (Chionea), by Werner Marchand (1917). Psyche 24:142-152.