Cyclorhipidion pruinosum (Blandford, 1896)

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

Cyclorhipidion pruinosum (Blandford, 1896) Fig. 45A, B, I

Xyleborus pruinosus Blandford, 1896b: 214.

Cyclorhipidion pruinosum (Blandford): Wood and Bright 1992: 701.

Xyleborus arcticollis Blandford, 1896b: 217. Synonymy: Browne 1955: 352.

Xyleborus decipiens Eggers, 1923: 182. Synonymy: Browne 1955: 352.

Type material.

Holotype Xyleborus pruinosus (NHMUK).

Diagnosis.

3.5-4.1 mm long (mean = 3.9 mm; n = 5); 2.19-2.56 × as long as wide. This species is distinguished by its stout body; anterior pronotum margin with a row of 5-7 serrations; antennal club type 3; and elytral interstriae granulate.

Similar species.

Cyclorhipidion perpilosellum , C. sisyrnophorum .

Distribution.

Chagos Is, Indonesia (Sumatra), East & West Malaysia, Philippines, Thailand.

Host plants.

Polyphagous, but with a distinct preference for trees of the family Burseraceae ( Browne 1961b).

Remarks.

Browne (1961b) describes the gallery system and aspects of the biology.

Figures

Figure 45. Dorsal, lateral and declivital view of Cyclorhipidion pruinosum, 3.5 - 4.1 mm (A, B, I), C. sisyrnophorum, 3.3 - 4.0 mm (C, D, J), C. tenuigraphum, 2.7 - 3.0 mm (E, F, K), and C. truncaudinum holotype, 3.9 - 4.1 mm (G, H, L).