Xyleborus ater Eggers, 1923: 210.
Xylosandrus ater (Eggers): Wood 1989: 177.
Cnestus ater (Eggers): Dole and Cognato 2010: 528.
Xyleborus retusiformis Schedl, 1936d: 31. Wood 1989: 177.
3.9−4.1 mm long (mean = 4.0 mm; n = 4); 1.63−1.70 times as long as wide. This species is distinguished by the presence of a mesonotal mycangial tuft on the pronotal base; elytral disc 4−5 times scutellum length; declivity, obliquely truncate; pronotum type 1 when viewed dorsally; antennal club type 2, with 2 sutures visible on posterior face; antennal funicle 4-segmented; protibiae obliquely triangular; procoxae narrowly separated; declivital posterolateral margin weakly carinate from apex to declivital base along interstriae 7; declivital interstriae weakly granulate, setose with 5−6 rows of recumbent hair-like setae on interstriae 2−3; striae indistinct on declivity, striae 1 and 2 impressed; discal punctures dense, confused, surface distinctly reticulate between punctures; and body black with basal part of pronotal disc sometimes orange or brown.
Cnestus gravidus, C. improcerus, C. mutilatus, and C. testudo
Borneo’, China (Fujian), Indonesia (Sumatra), East & West Malaysia
polyphagous (Browne 1961b)
Browne (1961b) describes the gallery system and biology.
specimens not available for sequencing