Immanus sarawakensis (Eggers, 1923) Fig. 64C, D, F

Xyleborus sarawakensis Eggers, 1923: 176.

Ambrosiodmus sarawakensis (Eggers): Wood and Bright 1992: 680.

Immanus sarawakensis (Eggers): Beaver et al. 2019: 385.

Type material.

Holotype (MCG).

Diagnosis.

The largest species occurring in Southeast Asia, 7.0-7.8 mm long (mean = 7.26 mm; n = 5); 1.97-2.05 × as long as wide. This species is distinguished by the very large size; rounded declivity; densely setose body; declivital interstriae 2 bearing a row of two or three denticles; and all declivital interstriae are slightly elevated.

Similar species.

Immanus colossus (from Papua New Guinea), I. desectus .

Distribution.

East & West Malaysia, Thailand.

Host plants.

Recorded from Lophopetalum ( Celastraceae), Parinari ( Chrysobalanaceae), Xanthophyllum ( Polygalaceae) and an unidentified genus of Annonaceae (Browne 1961b).