Abstract:
Acerentulus alni, silvanus and collaris are described as new to science; exiguus, carpaticus, xerophilus, tuxeni, rafalskii, cunhai and traegardhi are redescribed. A list of Polish localities of all 11 species and determination key is given. Sternal porotaxy and lineation are used as taxonomical features. Earlier data concerning A. confinis in Poland are rejected. Some corrections to the IMADATÉ’s system of setal naming are introduced.