Sperchon clupeifer Piersig, 1896
Records (Table 2): Benthos samples at one spring site in Gutland, 1 individual (Gerecke et al. 2005). No larvae found in traps.
Descriptions of larvae (Fig. 16): Tuzovskij (1977), Ullrich (1976), Wainstein (1980).
Diagnostic characters of larvae: In contrast to the other three Sperchon species that bear a seta C3 ( S. thienemanni Koenike, 1907, S. longissimus K.Viets, 1920 and S. denticulatus Koenike, 1895), S. clupeifer has legs without lineation.