Cyclorhipidion vigilans (Schedl, 1939)

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 vigilans (Schedl, 1939) Fig. 46C, D, J

Xyleborus vigilans Schedl, 1939b: 43.

Cyclorhipidion vigilans (Schedl): Wood and Bright 1992: 704.

Type material.

Lectotype (NHMW). Not examined.

Diagnosis.

5.5 mm long (mean = 5.5 mm; n = 5); 2.45-2.48 × as long as wide ( Sittichaya et al. 2019). This species is distinguished by the large size; anterior margin of pronotum with a short continuously elevated recurved carina armed with 4-6 medium sized serrations; declivital interstriae 2 granulate; and rounded declivity.

Similar species.

Fortiborus spp.

Distribution.

Indonesia (Java), East & West Malaysia, Thailand.

Host plants.

Recorded only from Horsfieldia ( Myristicaceae ) ( Schedl 1939b).

Figures

Figure 46. Dorsal, lateral and declivital view of Cyclorhipidion umbratum holotype, 3.8 mm (A, B, I), C. vigilans, 5.5 mm (C, D, J), C. xeniolum holotype, 1.65 - 1.8 mm (E, F, K), and C. xyloteroides, 3.25 mm (G, H, L).