Drymus sylvaticus var. ryeii Douglas & Scott, 1865: 197 (upgraded by Le Quesne, 1956: 338). LT (Jessop, 1984: 263): male, Great Britain, England, Croydon; Bolton Museum, England.
Drymus ryei auct. Incorrect subsequent spelling.
Drymus sylvaticus var. picinus Rey, 1888c: 4 (syn. Horváth, 1897a: 93). LT (Péricart, 1996c: 108): male, France, nr Lyon; MHNL.
?Drymus sylvaticus var. niger D'Antessanty, 1891: 205 (syn. Horváth, 1897a: 93). STS: France, Dept Aube; lost?
Drymus sylvaticus var. piceus Puton, 1899a: 36. Lapsus.