Taxonomic history

Xyleborus resectus Eggers, 1927a: 391, new name for X. abruptus Eggers, 1923 nec Sampson 1914.

Amasa resectus [sic] (Eggers): Wood and Bright, 1992: 684.


Xyleborus abruptus Eggers, 1923: 169.

Xyleborus opacicauda Eggers, 1940: 136. Kalshoven 1959b: 159.


2.85−3.2 mm long (mean = 2.94 mm; n = 4); 2.29−2.38 times as long as wide. The species can be distinguished by the pronotum appearing basic (type 2) when viewed dorsally, anterior margin serrate; elytral declivital surface shagreened, dull, opaque; declivity glabrous; declivital interstriae 1−3 multiseriate granulate, granules strongly confused; and declivital interstriae 2−4 flat.

May be confused with

Amasa cycloxyster, A. galeoderma, A. schlichii, A. versicolor, and A. youlii


Indonesia (Java, Sumatra), East Malaysia, New Guinea, Sri Lanka, Thailand

Host plants

Recorded by Kalshoven (1959b) from five genera in five different families. Evidently polyphagous.

DNA data

specimens not available for sequencing