Taxonomic history

Xyleborus rubricollis Eichhoff, 1876a: 202.

Ambrosiodmus rubricollis (Eichhoff): Wood, 1989: 170.


Xyleborus taboensis Schedl, 1952b: 65. Wood, 1989: 170.

Xyleborus strohmeyeri Schedl, 1975b: 457. Wood, 1989: 170.


2.5−2.8 mm long (mean = 2.70 mm; n = 7); 2.45−2.55 times as long as wide. This species can be distinguished by elytral declivital interstriae with uniformly sized and spaced granules from base to apex; declivital interstriae slightly elevated and bearing erect hair-like setae, setae located ventrad of each granule; declivital surface shining, and light red-brown color.

May be confused with

Ambrosiodmus brunneipes and A. conspectus


China (Anhui, Beijing, Chongqing, Fujian, Guangdong, Guangxi, Guizhou, Hebei, Heilongjiang, Hong Kong, Hunan, Jiangxi, Shaanxi, Shandong, Sichuan, Xizang, Yunnan, Zhejiang), Japan, South & North Korea, Laos, West Malaysia, Taiwan, Thailand, Vietnam. Introduced to Australia (Wood and Bright 1992), Italy (Faccoli et al. 2009), North America (Bright 1968), and South America (Wood 2007).

Host plants

a polyphagous species (Faccoli et al. 2009), which usually attacks smaller stems (Browne 1961b)

DNA data

Sequences available for COI and CAD.

COI: HM064049.1MN619828MN619829MN619830MN619831MN619832

CAD: HM064228.1MN620123MN620124MN620125MN620126MN620127