Immanus Hulcr & Cognato, 2013

Immanus Hulcr & Cognato, 2013: 100.

Type species.

Xyleborus colossus Blandford, 1896b; original designation.

Diagnosis.

This is the largest xyleborine genus with species ranging between 5.0-8.8 mm (Hulcr and Cognato 2013). Immanus is distinguished by its large size; robust form (1.97-2.5 × as long as wide); truncate or rounded declivity; pronotum anterior margin with elevated carina or a row of 4-6 coarse asperities; pronotal disc asperate; tibial denticles reduced or absent on meso- and metatibiae; tibial edge very uneven and rugged; scutellum flat, flush with elytra; procoxae contiguous; and mycangial tufts absent.

Similar genera.

Ambrosiodmus, Beaverium .

Distribution.

Paleotropical.

Gallery system.

The gallery system is branched and lies in one transverse plane (Kalshoven 1959b).

Remarks.

The genus has been recently reviewed by Beaver et al. (2019) and an additional species has since been described (Wang et al. 2020).