Taxonomic history

Xyleborus perpilosellus Schedl, 1935a: 402.

Cyclorhipidion perpilosellum (Schedl): Wood and Bright, 1992: 701.


Xyleborus punctatopilosus Schedl, 1936b: 532Bright and Skidmore, 1997: 4, 151.


2.5−3.0 mm long (mean = 2.74 mm; n = 5); 2.08−2.31 times as long as wide. This species can be distinguished by its very stout body; pronotum rounded from dorsal view (type 1); lack of serrations on pronotum anterior margin; and uniseriate row of larrge, sparse tubercles on the declivity.

May be confused with

Cyclorhipidion pruinosum and C. sisyrnophorum


‘Borneo', China (Hainan, Yunnan), India (Arunachal Pradesh), Indonesia (Java), Laos, West Malaysia, New Guinea, Philippines, Thailand, Vietnam

Host plants

recorded from Castanopsis, Lithocarpus, Pasania, and Quercus (Fagaceae), and probably closely associated with that family (Smith et al. 2020b)


The gallery system has few branches and small, rather irregular brood chambers in the longitudinal plane (Browne 1961b).

DNA data

Sequences available for COI and CAD.

COI: HM064077MN199581MN199582MN199583; MN619896

CAD: HM064256MN199598MN199599; MN199600MN620180