Taxonomic history

Xyleborus mancus Blandford, 1898: 428.

Apoxyleborus mancus (Blandford): Wood, 1980: 90.

Xylosandrus mancus (Blandford): Wood, 1984: 229.


Xyleborus abruptus Sampson, 1914: 388. Schedl, 1951a: 51.

Xyleborus mancus formosanus Eggers, 1930: 186. Schedl, 1952b: 61.


3.20−3.60 mm long (mean = 3.46 mm; n = 5); 2.13−2.40 times as long as wide. This species can be distinguished by its large size; upper and lower parts of eye equal-sized; elytral disc strongly ascending apically, longer than declivity; declivital face steep, abruptly separated from disc; elytra appearing truncate; posterolateral margins of elytra carinate to suture forming a circumdeclivital ring; declivital face flat, shagreened, shining, four punctate, glabrous, and somewhat wavy striae visible; strial punctures large; interstriae glabrous, granulate, granules more abundant near apex (especially between interstriae 1 and 2); posterolateral margin granulate; pronotum as long as wide, from dorsal view rounded (type 1) and lateral view basic (type 0), summit at midpoint, basal half shining, densely punctate; and broad, dense mycangial tuft on the pronotal base.

May be confused with

Amasa spp., Xylosandrus amputatus, and X. n. sp. 3


Within the study region, recorded from China (Chongqing*, Gansu, Hainan, Hong Kong*, Xizang, Yunnan), India (Karnataka, Kerala), Laos*, Taiwan, Thailand, Vietnam. Outside the region, recorded from East Africa (Tanzania), Indonesia (Java, Sumatra), Madagascar, Malaysia (E. & W.), Mauritius, Philippines, Seychelles, Sri Lanka.

Host plants

polyphagous (Dole and Cognato 2010)

DNA data

Sequences available for COI and CAD.

COI: GU808716; MN620094; MN620095; MN620096; MN620097; MN620098; MN620099; MN620100

CAD: GU808637; MN620352; MN620353; MN620354; MN620355; MN620356