Malloch (1915) described Micropsectra polita (as Tanytarsus politus) from males collected along the banks of Central Dredge Ditch at Easton, Mason County, llIinois. Females of this species were not collected at that time. On 12 February 1974, males, females, and larvae were collected from a small spring-fed seep (Fig. 1) running into Muncie Pond, in Vermilion County, llIinois.
Webb, Donald W.
"Redescription of Micropsectra Polita (Diptera: Chironomidae) with the Female and Immature Stages,"
The Great Lakes Entomologist, vol 14
Available at: https://scholar.valpo.edu/tgle/vol14/iss4/5