Tychius intrusus Faust, 1889

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 : 10

Tychius intrusus Faust, 1889 group

Remarks. In this group the vestiture of the elytra is composed of both narrow and broad scales, the latter moderately numerous especially on the odd interstriae, where they are often arranged in two regular rows separated by a single median row of seta-like scales.