Cyclorhipidion xyloteroides (Eggers, 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 xyloteroides (Eggers, 1939) Fig. 46G, H, L

Xyleborus xyloteroides Eggers, 1939b: 120.

Cyclorhipidion xyloteroides (Eggers): Beaver and Liu 2010: 25.

Type material.

Holotype (TARI).

New records.

Taiwan: Taichung Co., Dasyueshan Natl Forest, ex EtOH trap, 11.viii.2013, C-S. Lin (RABC, 1). Chiayi Co., Alishan, 2400 m 12-16.vi.1965, T. Maa, K.S. Lin (BPBM, 1). Ilan Co., Fushan, 2000 m, 27.vi.1995, A. Warneke, ex light trap (RABC, 1); as previous except: 26.vii.1995 (RABC, 1).

Diagnosis.

3.25 mm long (n = 1); 2.7 × as long as wide. This species is distinguished by the elytral disc convex; declivity convex; posterolateral margin costate with a row of larger granules; elytral apex granulate; moderately large size; pronotal disc shiny, finely, densely punctured; declivital striae not impressed, both striae and interstriae punctures granulate, and of similar size, a row of slightly larger granules on interstriae 1 and 3, and a weaker row on interstriae 2; and declivital vestiture very fine and short.

Similar species.

Cyclorhipidion armiger , C. miyazakiense , C. obesulum .

Distribution.

Taiwan.

Host plants.

Unknown.

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).