Cobben & Moller Pillot, 1960 (descr. larva V); Höregott & Jordan, 1954 (female characters); Jansson, 1969 (descr. larvae III-V), 1986a; Savage, 1989.
Distribution
Jansson, 1986a (Sweden); Savage, 1989 (Ireland); V.G. Putshkov & P.V. Putshkov, 1996 (Ukraine); Coulianos, 1998 (Norway); Protić, 1998a (Croatia); Coulianos, 2005 (Estonia); Lukashuk & Moroz, 2007 (Byelorussia).