Pachycoleus waltli Fieber, 1860a: 272. ST(S): Germany, Bayern.
Pachycoleus rufescens J. Sahlberg, 1875a: 305 (syn. Jordan, 1941: 253). STS: Russia (NT), Karelia, rivulet Mäntyjoki nr Paanajärvi (former Kuusamo parish); MZHF, UZMT.
Pachycoleus rufescens f. benicki Schumacher in Benick, 1920: 70. STS: female, Germany, Ratzeburger See nr Römnitz; ZMHB (specimen lost), and coll. J. Benick (not located).