Taxonomic history

Xyleborus magnus Niisima, 1910: 111.

Beaverium magnus (Niisima): Smith et al., 2018a: 841.


Xyleborus rufobrunneus var. dihingensis Eggers, 1930: 189. Smith et al., 2018a: 841.

Xyleborus chujoi Schedl, 1951a: 73. Smith et al., 2018a: 841.


5.0−5.6 mm long (mean = 5.2 mm; n = 10); 2.21−2.55 times as long as wide. This species is distinguished by the moderate size; elytral disc concave with a transverse saddle-like depression; declivital posterolateral margins carinate; and boundary between elytral disc and declivity smoothly abrupt.

May be confused with

Beaverium lantanae and B. latus


China (Chongqing, Hong Kong, Jiangxi, Yunnan), India (Assam, West Bengal), Japan, Taiwan, Thailand, Vietnam

Host plants

polyphagous; recorded from Artocarpus (Moraceae), Pterocarpus (Fabaceae) (Beeson 1961), Machilus (Lauraceae), and Senna (Fabaceae) (Smith et al. 2020b)

DNA data

Sequences available for COI and CAD.

COI: MN619865; MN619866

CAD: MN620156; MN620157