Cimex sylvaticus Fabricius, 1775: 722. HT: female, Sweden; ZMUC.
Pachymerus silvaticus Flor, 1860: 247. Incorrect subsequent spelling.
Drymus sylvaticus var. orthopus Horváth, 1882a: 222. LT (Scudder, 1970a: 205): male, Hungary, Budapest; HNHM.
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