Taxonomic history

Anodius piceus Motschulsky, 1863: 512.

Euwallacea piceus (Motschulsky): Wood and Bright, 1992: 692.

Wallacellus piceus (Motschulsky): Hulcr and Cognato, 2010a: 29.

Euwallacea piceus (Motschulsky): Storer et al., 2015: 396.


Xyleborus indicus Eichhoff, 1878a: 392. Wood 1969: 117.

Xyleborus imitans Eggers, 1927a: 404. Wood 1969: 117.

Xyleborus indicus subcoriaceus Eggers, 1927b: 92. Schedl 1959: 504.

Xyleborus samoensis Beeson, 1929: 237Wood 1960: 63.


2.2−2.6 mm long (mean = 2.36 mm; n = 5); 2.75−3.25 times as long as wide. This species is distinguished by declivital interstriae parallel; interstriae granulate, granules uniform in size; small body size, elongate form; declivital striae 1 not impressed; elytral apex entire; and dark brown to black color.

May be confused with

Euwallacea similis and Planiculus spp.


throughout the Oriental region from the Indian subcontinent through Southeast Asia, Indonesia to New Guinea and the Western Pacific islands; tropical Africa, Madagascar and the Seychelles, Thailand; recorded in the study region from Bangladesh India (Andaman Is, Arunachal Pradesh, Assam, Meghalaya, Nicobar Is, West Bengal), Laos, Myanmar, Taiwan, Thailand, Vietnam

Host plants

polyphagous (Browne 1961b, Schedl 1963a)


The species has some potential as a pest because of its deeply-penetrating galleries and very wide host range (Browne 1961a, Schedl 1963a).

DNA data

Sequences available for COI and CAD.

COI: KP236134MN619940MN619941MN619942MN619943

CAD: MN620214MN620215MN620216