Taxonomic history

Xyleborus metacuneolus Eggers, 1940: 150.

Tricosa metacuneola [sic] (Eggers): Cognato et al. 2020a: 550.


Xyleborus kaimochii Nobuchi, 1981a: 143. Smith et al., 2018b: 397.


2.4−2.5 mm long (mean = 2.46 mm; n = 5); 2.67−2.78 times as long as wide. This species is distinguished by elytral discal striae and interstriae clearly uniseriate punctateanterior margin of pronotum with a row of serrations; and protibia obliquely triangular.

May be confused with

Coptodryas mus and Fraudatrix cuneiformis


Brunei, Indonesia (Java, Sulawesi), Japan, East and West Malaysia, New Guinea, Philippines, Sri Lanka, Taiwan, Thailand

Host plants

probably polyphagous; recorded from Buchanania, Mangifera (Anacardiaceae), Swietenia (Meliaceae), and Castanopsis (Fagaceae) (Nobuchi 1981a, Beaver and Liu 2010)

DNA data

Sequences available for COI and CAD.

COI: MN199589

CAD: MN199606