Chironomus (Chironomus) maturus Johannsen
Chironomus (Chironomus) maturus Johannsen, 1908: 279 .
Material examined. Lake Winnipeg light traps: 15 km E off Long Point, 1 male, 6.ix. 1969. The species is redescribed by Sublette & Sublette (1974: 2). The single adult male from Lake Winnipeg has 13 sensilla chaetica on p2 and 16 on p3.
Distribution. The species was previously known from Alaska, New York and Ontario to Manitoba, Alberta and California, and south to Louisiana and New Mexico (Oliver et al. 1990: 42, Martin 2012).