Pseudowebbia Browne, 1961

Smith, Sarah M., Beaver, Roger A. & Cognato, Anthony I., 2020, A monograph of the Xyleborini (Coleoptera, Curculionidae, Scolytinae) of the Indochinese Peninsula (except Malaysia) and China, ZooKeys 983, pp. 1-442 : 1

Pseudowebbia Browne, 1961

Pseudowebbia Browne, 1961a: 308.

Type species.

Xyleborus trepanicauda Eggers, 1923; original designation.

Diagnosis.

2.2-3.1 mm, elongate species, 2.4-3.1 × as long as wide. Pseudowebbia is distinguished by the scutellum not visible; dense tuft of setae along elytral base associated with an elytral mycangium; antennal funicle 4-segmented; declivity truncate, covered with dense scales and encircled by a row of denticles; and protibiae with evenly rounded edge, lateral margin armed with seven socketed denticles, posterior face flat, unarmed.

Similar genera.

Arixyleborus , Cyclorhipidion , Truncaudum , Webbia .

Distribution.

Occurring throughout the Paleotropics.

Gallery system.

Described only for P. percorthylus (Schedl, 1935). The short entrance tunnel runs into an irregular cavity lying between the bark and wood, with or without some short side branches. In the observed systems, the gallery system does not penetrate the wood ( Browne 1961b; RAB pers. obs.).