Horváth, 1906a (monogr.); Melber, 1989 (life-history); Péricart, 1978a, 1983 (monogr.); V.G. Putshkov, 1974a (biol.).
Distribution
Baugnée et al., 2002 (not in Belgium); Coulianos, 2005 (Estonia); Newton, 2008 (Great Britain); J. Ribes et al., 2008c (Spain).