Taxonomic history

Xyleborus pilipennis Eggers, 1940: 140.

Cyclorhipidion pilipenne (Eggers): Wood and Bright, 1992: 701. 


2.5−3.0 mm long (mean = 2.86 mm; n = 5); 2.78−3.0 times as long as wide. This species can be distinguished by moderate size; elytral declivital slope gentle, gradual; separation between the smooth, shining elytral disc and shagreened declivity gradual, not sharply distinct; declivital striae weakly impressed, punctures small, indistinct; declivital interstriae armed with a row of moderately spaced uniseriate granules; and elytral apex and posterolateral margin granulate.

May be confused with

Cyclorhipidion denticauda, C. ohnoi, and C. petrosum


China (Yunnan), Indonesia (Java), Thailand, Vietnam

Host plants

recorded only from Castanopsis (Beaver et al. 2014) and Quercus (Fagaceae) (Smith et al. 2020b)

DNA data

Sequences available for COI and CAD.

COI: MN199584

CAD: MN199601