Tychius rufirostris, Schoenherr, 1832

Jiang, Chunyan, Caldara, Roberto & Zhang, Runzhi, 2020, The genus Tychius Germar (Coleoptera: Curculionidae: Curculioninae) in China, with description of three new species, Zootaxa 4856 (1), pp. 1-62 : 9

Tychius rufirostris group

Remarks. This group is characterized by the rostrum in lateral view being distinctly attenuate in its apical half, the usually subconical pronotum is distinctly narrower than the rectangular elytra and the male protibiae has a sharp tooth along the inner margin.