Xyleborus perforans (Wollaston) Tomicus perforans Wollaston, 1857: 96. Xyleborus perforans (Wollaston): Eichhoff, 1878: 403. Xyleborus apertus Schedl, 1939: 355. Synonymy: Bright & Skidmore, 1997: 4, 154. Xyleborus criticus Schedl, 1950: 899. Synonymy: Wood, 1989: 177. Xyleborus cylindrus Schedl, 1951: 94. Synonymy: Bright & Skidmore, 1997: 4, 155. Anodius denticulus Motschulsky, 1863: Synonymy: Wood, 1969: 117. Xyleborus duponti Montrouzier, 1861: 265. Synonymy: Hagedorn, 1910: 108. Xylopertha hirtsutus Lea, 1893: 321. Synonymy: Schedl, 1936: 529, 1959: 503. Xyleborus immaturus Blackburn, 1885: 193. Synonymy: Beeson, 1929: 240. Xyleborus kraatzii Eichhoff, 1868: 152. Synonymy: Schedl, 1959: 503. Xyleborus kraatzii philippinensis Eichhoff, 1878: 374. Synonymy: Schedl, 1959: 503. Xyleborus minimus Schedl, 1955: 305. Synonymy: Bright & Skidmore, 1997: 4, 161. Xyleborus shionomisakiensis Murayama, 1951: 3. syn. n. Bostrichus testaceus Walker, 1859: 260. Synonymy: Browne, 1955: 355. Anodius tuberculatus Motschulsky, 1863: 511. Synonymy: Wood, 1969: 117. Xyleborus whitteni Beeson, 1935: 113. Synonymy: Beaver, 1991: 95. Taxonomy: The female syntype of X. shionomisakiensis (NMNH) was examined and was found to be conspecific with non-type specimens of X. perforans (NMNH, MSUC). It is here placed in synonymy with X. perforans.

Published as part of Smith, Sarah M., Beaver, Roger A. & Cognato, Anthony I., 2018, New synonymy, new combinations and other taxonomic changes in Japanese xyleborine ambrosia beetles (Coleoptera: Curculionidae: Scolytinae), pp. 391-403 in Zootaxa 4521 (3) on page 398, DOI: 10.11646/zootaxa.4521.3.5, http://zenodo.org/record/2609989