Pseudowebbia trepanicauda (Eggers, 1923)

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 trepanicauda (Eggers, 1923) Fig. 72

Xyleborus trepanicauda Eggers, 1923: 170.

Pseudowebbia trepanicauda (Eggers): Browne 1961a: 308.

Type material.

Syntypes (RMNH, MCG). Not examined.

Diagnosis.

2.2-3.1 mm long (mean = 2.51 mm; n = 6); 2.4-3.1 × as long as wide. This species is distinguished by 1-3 moderately sized denticles on declivital interstriae 2; and pronotum anterior margin basic, short, rounded and parallel-sided, when viewed dorsally (type 2).

Similar species.

Arixyleborus , truncate Cyclorhipidion species, Truncaudum , Webbia .

Distribution.

‘Borneo’, Brunei, Indonesia (Sumatra), East Malaysia, Thailand, Vietnam.

Host plants.

Recorded only from Vatica ( Dipterocarpaceae ) ( Browne 1961a).

Remarks.

The number of tubercles on the declivity can be very variable.

Figures

Figure 72. Dorsal, lateral and declivital view of Pseudowebbia trepanicauda, 2.2 - 3.1 mm (A-C).