Webbia Hopkins, 1915

Webbia Hopkins, 1915b: 222.

Xelyborus Schedl, 1939a: 349. Synonymy: Browne 1963: 57.

Prowebbia Browne, 1962: 208. Synonymy: Browne 1972: 25.

Type species.

Webbia dipterocarpi Hopkins, 1915b; original designation.

Diagnosis.

1.9-3.4 mm long, 2.6-3.75 × as long as wide. Webbia is distinguished by the scutellum not apparent; dense tuft of setae present along elytral base associated with an elytral mycangium; antennal funicle 2-segmented; protibiae slender, outer margin armed with more than nine denticles, posterior face inflated and unarmed; pronotum conspicuously elongated, rectangular in dorsal aspect, disc flat, anterolateral corners inflated (type a in dorsal view); elytra with few setae, abruptly truncated and often elaborately ornamented with large projections.

Similar genera.

Amasa, Arixyleborus, Cyclorhipidion, Pseudowebbia .

Distribution.

Throughout the Paleotropics.

Gallery system.

The unbranched radial entrance tunnel leads to a single large brood chamber in the longitudinal plane (Browne 1961b).

Remarks.

The majority of species are strongly associated with Dipterocarpaceae, but single species are specialized on Fagaceae and Sapotaceae (Browne 1961b).