Webbia turbinata Maiti & Saha, 1986

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

Webbia turbinata Maiti & Saha, 1986 Fig. 81C, D, F

Webbia turbinatus [sic] Maiti & Saha, 1986: 104.

Type material.

Holotype (FRI). Not examined.

New records.

Thailand: Chaiyaphum, Phu Khieo, 17.vii.2005, Hulcr et al., ex Shorea branch (MSUC, 1).

Diagnosis.

2.2-3.4 mm long; 3.14-3.2 × as long as wide. This species is distinguished by the circumdeclivital margin denticulate; declivity appearing rugose, striae 1-3 distinctly impressed, interstriae granulate; declivital strial punctures coarse, shallow, hair-like setae arising from punctures rather coarse; short acute elytral process arising from declivital face, not declivital margin; and elytral apices weakly but distinctly divaricate.

Similar species.

Webbia cornuta .

Distribution.

India (Andaman Is), Thailand*.

Host plants.

Recorded from Dipterocarpus , Shorea ( Dipterocarpaceae ) and Sapium ( Euphorbiaceae ) ( Maiti and Saha 1986).

Remarks.

The records of Webbia cornuta from Thailand (Chiang Mai and Phrae) in Beaver and Browne (1975), and those from Chaiyaphum, Chiang Mai, Phetchabun and Trat in Beaver et al. (2014) should be transferred to this species.

Figures

Figure 81. Dorsal, lateral and declivital view of Webbia trigintispinata, 3.0 mm (A, B, E), and W. turbinata, 2.2 - 3.4 mm (C, D, F).