Cyclorhipidion sisyrnophorum (Hagedorn, 1910)

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 sisyrnophorum (Hagedorn, 1910) Fig. 45C, D, J

Xyleborus sisyrnophorus Hagedorn, 1910a: 7.

Cyclorhipidion sisyrnophorum (Hagedorn): Wood and Bright 1992: 703.

Type material.

Holotype (SDEI).

New records.

India: N. Andaman, C.F.C. Beeson, 18.iii.193 [sic], ex unknown wood (NMNH, 3).

Diagnosis.

3.3-4.0 mm long (mean = 3.61 mm; n = 8); 2.2-2.5 × as long as wide. This species is distinguished by the type 5 antennal club which lacks visible sutures on both the anterior and posterior faces; anterior margin of pronotum with a distinct row of five serrations; and declivital interstriae 2 granulate and stout form.

Similar species.

Cyclorhipidion perpilosellum , C. pruinosum .

Distribution.

‘Borneo’, India (Andaman Is), Indonesia (Sumatra), East & West Malaysia.

Host plants.

Recorded from Dryobalanops ( Dipterocarpaceae ), Xerospermum ( Sapindaceae ) and an unidentified species of Burseraceae ( Beeson 1961; Browne 1961b). Presumably polyphagous.

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).