Taxonomic history

Xyleborus pumilus Eggers, 1923: 209.

Debus pumilus (Eggers): Hulcr and Cognato, 2010a: 15.


Xyleborus cylindricus Eggers, 1927b: 94. Hulcr and Cognato 2010a: 15.

Xyleborus neocylindricus Schedl, 1942a: 196. Beaver 2011: 284.

Ips kelantanensis Browne, 1955: 345Beaver 1995a: 199 (as synonym of X. cylindricus)

Xyleborus ipidia Schedl, 1972a: Hulcr and Cognato 2010a: 15.

Xyleborus planodeclivis Browne, 1974: 70. Schedl 1980: 122 (as synonym of Xyleborus ipidia).


2.5−3.2 mm long (mean = 2.78 mm; n = 5); 3.25−3.57 times as long as wide. This species is distinguished by the elytral apex emarginate, never explanate, appearing flat and broad; declivital sulcus shallow; and small size.

May be confused with

Debus adusticollis and D. detritus


Australia, China (Xizang, Yunnan), Fiji, India (Andaman Is, Arunachal Pradesh, Assam, West Bengal), Indonesia (Java, Maluku, Sumatra), Laos, East & West Malaysia, Myanmar, Papua New Guinea, Philippines, Solomon Is., Sri Lanka, Thailand, Vietnam

Host plants

Polyphagous. Browne (1961b) and Hulcr and Cognato (2013) suggest a strong preference for Moraceae, but the species has also been recorded from many other families.

DNA data

Sequences available for COI and CAD.

COI: HM064136.1MN619901MN619902

CAD: HM064299.1MN620184