Taxonomic history

Xyleborus desectus Eggers, 1923: 167.

Ambrosiodmus desectus (Eggers): Wood and Bright, 1992: 672.

Immanus desectus (Eggers): Beaver et al., 2014: 53.


Xyleborus desectus arduus Schedl, 1942a: 188. Wood and Bright, 1992: 673.


5.0−5.5 mm long; (mean = 5.2 mm; n = 5); 2.27−2.5 times as long as wide.. This species can be distinguished by the large size; truncate declivity with a circumdeclivital costa; and 2−3 denticles on declivital interstriae 2.

May be confused with

Immanus sarawakensis


Indonesia (Java), West Malaysia, Philippines, Thailand, Vietnam

Host plants

recorded only from Castanospermum (Fabaceae) (Kalshoven 1959b)

DNA data

Sequences available for COI and CAD.

COI: MN619961

CAD: MN620238