Taxonomic history

Xyleborus granulifer Eggers, 1923: 206.

Arixyleborus granulifer (Eggers): Browne, 1955: 350.

Diagnosis

1.9−2.0 mm long (mean = 1.98 mm; n = 5); 2.11−2.44 times as long as wide. This species is distinguished by the protibia posterior face flat and unarmed; antennal club as broad as tall; posterolateral carina oblique, granulate; elytral disc flat, without a transverse depression; striae not impressed; and declivital interstriae bearing a row of short erect bristles and longer semi-erect hairlike setae, setae as long as an interstria width.

May be confused with

Arixyleborus hirsutulus and A. sittichayai

Distribution

‘Borneo’, Indonesia (Mentawai Islands, Sulawesi, Sumatra), East & West Malaysia, Philippines, Sri Lanka, Thailand

Host plants

Polyphagous. Ohno (1990), for example, records twenty different genera in fifteen different families.

Remarks

Browne (1961b) describes the gallery system, and notes that the life cycle takes about 8 weeks.

DNA data

Sequences available for COI and CAD.

COI: MN619855

CAD: MN620147