Taxonomic history

Xyleborus schaufussi Blandford, 1894b: 117. 

Xyleborinus schaufussi (Blandford): Wood and Bright, 1992: 816.

Synonyms

Xyleborus kraunhiae Niisima, 1910: 14. Smith et al., 2018b: 397.

Diagnosis

2.5−3.1 mm long (mean = 2.73 mm; n = 5); 3.21−3.57 times as long as wide. This species is distinguished by the posterior margin of elytra broadly rounded; declivital face with interstriae 1 and 2 unarmed by tubercles; elytral declivital face strongly sulcate; large body size; lateral declivital margins strongly elevated, costate, bearing 4−6 pairs of large sharply pointed backwardly hooked denticles (often asymmetric); sulcate area of declivity impunctate, shagreened, dull; and elongate body form.

May be confused with

Xyleborinus artestriatus, X. echinopterus, X. ephialtodes, X. octiesdentatus, X. speciosus, and X. spinipennis

Distribution

China (Guizhou, Sichuan), Japan, Taiwan

Host plants

recorded from Millettia (Fabaceae) (Niisima 1910), Fagus (Fagaceae) and Symplocos (Symplocaceae) (Beaver and Liu 2010), and Betula (Betulaceae) (Smith et al. 2020b)

DNA data

Sequences available for COI and CAD.

COI: MN620035

CAD: MN620301