Taxonomic history

Xyleboricus grandis Schedl, 1942c: 27.

Arixyleborus grandis (Schedl): Schedl, 1952d: 161.

Diagnosis

3.2−3.5 mm long (mean = 3.43 mm; n = 4); 2.13−2.33 times as long as wide. This species is distinguished by the protibia posterior face inflated and granulate; antennal club broader than tall; posterolateral carina costate; pronotum lateral margin distinctly costate, nearly carinate; pronotum anterior margin elevated with row of serrations; large size; strial furrows three times the width of interstrial ridges on disc; interstrial ridges setose, setae recumbent, hair-like, as long as stria 2 width at declivital base; interstrial ridges denticulate; striae moderately impressed; and elytral declivity weakly shagreened, interstrial ridges almost appear shining.

May be confused with

Arixyleborus malayensis, A. tuberculatus, and A. yakushimanus

Distribution

Indonesia (Java), East Malaysia, New Guinea, Philippines, Thailand

Host plants

recorded from Canarium (Burseraceae), Dipterocarpus (Dipterocarpaceae), Mangifera (Anacardiaceae), and Palaquium (Sapotaceae) (Beaver et al. 2014)

Remarks

Kalshoven (1959b) gives some details of gallery systems and brood found in Canarium in Java.

DNA data

specimens not available for sequencing