Xyleborus granulifer Eggers, 1923: 206.
Arixyleborus granulifer (Eggers): Browne, 1955: 350.
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.
Arixyleborus hirsutulus and A. sittichayai
‘Borneo’, Indonesia (Mentawai Islands, Sulawesi, Sumatra), East & West Malaysia, Philippines, Sri Lanka, Thailand
Polyphagous. Ohno (1990), for example, records twenty different genera in fifteen different families.
Browne (1961b) describes the gallery system, and notes that the life cycle takes about 8 weeks.
Sequences available for COI and CAD.