Euwallacea piceus (Motschulsky, 1863) Fig. 57E, F, K

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. Synonymy: Wood 1969: 117.

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

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

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

Type material.

Lectotype Xyleborus imitans (NMNH). Holotype Xyleborus samoensis (NHMUK), paratype (FRI).

New records.

India: Arunachal Pradesh, Etalin vicinity, 28°36'56"N, 95°53'21"E, 700 m, 12-25.v.2012, L. Dembický (ZFMK, 2). Assam, Bhalukpong, 27°02'N, 92°35'E, 150 m, 26.v-3.vi.2006, L. Dombický (NHMUK, 1). Meghalaya, Nokrek N.P., 3 km S Darbokgiri, 25°27'N, 90°19'E, 1400 m, 26.iv.1999, Dombický, Pacholátko (RABC, 1). Laos: Vientiane, Ban Van Eue, 31.xi.1965, native collector (BPBM, 1); same as previous except 30.xi.1966 (BPBM, 1).

Diagnosis.

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

Similar species.

Euwallacea similis, Planiculus spp.

Distribution.

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. 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).

Remarks.

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