Xyleborinus perpusillus (Eggers, 1927) Fig. 84G, H, L

Xyleborus perpusillus Eggers, 1927a: 404.

Xyleborinus perpusillus (Eggers): Hulcr 2010: 115.

Xyleborus perminutissimus Schedl, 1934b: 90. Synonymy: Hulcr 2010: 116.

Xyleborus angustatulus Schedl, 1942c: 42. Synonymy: Kalshoven 1959a: 152.

Type material.

Paratype Xyleborus perpusillus (NMNH).

Diagnosis.

1.6-1.9 mm long (mean = 1.76 mm; n = 5); 2.67-3.17 × as long as wide. This species is distinguished by the entire length of interstriae 2 unarmed by tubercles; posterolateral margin of elytra rounded, unarmed; declivital interstriae flat, interstriae 2 not impressed; and denticles on interstriae 1 and 3 small.

This species is very similar to X. huifenyinae and is distinguished by the shiny declivity, posterolateral declivity margin rounded and unarmed and smaller denticles on interstriae 1 and 3.

Similar species.

Xyleborinus exiguus, X. huifenyinae, X. tritus .

Distribution.

Indonesia (Java, Sumatra), East & West Malaysia, New Guinea, Thailand.

Host plants.

Recorded from small trees in several families, including palms ( Arecaceae) (Beaver et al. 2014).