Taxonomy

Cryptoxyleborus Wood and Bright, 1992: 828.

Synonyms

Cryptoxyleborus Schedl, 1937a: 550. Unavailable name (see Alonso-Zarazaga and Lyal, 2009).

Cryptoxyleborus Alonso-Zarazaga and Lyal, 2009: 99.

Diagnosis

Body length from 1.40−4.40 mm long, elongate (3.00−4.17 times as long as wide) with elytral apex attenuate or acuminate. Cryptoxyleborus is recognzied by the distinctive pit mycangia located on the elytra either near the scutellum or along the basescutellum on the basal declivital slope, appearing absent when viewed dorsally; protibia slender and rugose on the posterior face; and procoxae contiguous.

May be confused with

Fraudatrix, Tricosa and Xyleborinus

Distribution

tropical Asia and New Guinea, possibly introduced to Australia

Gallery system

This consists of an unbranched entrance tunnel leading to a single terminal brood chamber in the longitudinal plane (Browne 1961b). The brood chamber is enlarged by the larvae as they develop.

Remarks

All species of Cryptoxyleborus with known hosts only attack trees of the family Dipterocarpaceae (Beaver and Hulcr 2008).