Taxonomic history

Xyleborus miyazakiensis Murayama, 1936: 144.

Cyclorhipidion miyazakiense (Murayama): Smith et al., 2018b: 395.


Xyleborus armipennis Schedl, 1953c: 27. Smith et al., 2018b: 395.

Xyleborus wakayamensis Nobuchi, 1981a: 144. Smith et al., 2018b: 395.


2.6−3.0 mm long (mean = 2.87 mm; n = 4); 2.5−2.8 times as long as wide. This species can be distinguished by the elytral disc with a shallow median saddle-like impression; elytral declivity very steep; posterolateral margin of elytra carinate to interstriae 5; elytral apex bearing two single triangular spines at interstriae 1 and 3 that are at least the width of an interstriae (additional smaller denticles may be present along posterolateral margin of declivity); and declivital face unarmed by tubercles.

May be confused with

Cyclorhipidion armiger, C. obesulum, and C. xyloteroides


China (Fujian, Guangxi, Sichuan), Japan, Thailand, Vietnam

Host plants

recorded only from Castanopsis and Quercus (Fagaceae) (Murayama 1936, Beaver et al. 2014)

DNA data

specimens not available for sequencing