Arixyleborus puberulus (Blandford)

Xyleborus puberulus (Blandford, 1896)

Xyleborus hirtipennis Eggers, 1940, syn. n.

Arixyleborus hirtipennis (Eggers): Browne 1955, syn. n.

Specimens examined.

Indonesia, Java ( Xyleborus hirtipennis, lectotype, USNM); Sarawak, Malaysia ( Xyleborus puberulus, holotype, BMNH).

Comments.

Lectotype of Arixyleborus hirtipennis bears all essential features of Arixyleborus puberulus, only the declivital rugosities more organized into rows, shining area of elytra smaller, less clearly distinguished from rugose area. These are exceptionally plastic in Arixyleborus puberulus, Arixyleborus hirtipennis represents small deviation in the large range of variation of declivital surface in Arixyleborus puberulus .