Debus birmanus (Eggers, 1930)

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

Debus birmanus (Eggers, 1930) Fig. 47E, F, K

Xyleborus birmanus Eggers, 1930: 200.

Debus birmanus (Eggers): Hulcr 2010: 108.

Type material.

Holotype (FRI), paratype (NHMW, 1).

Diagnosis.

3.7-3.9 mm long (mean = 3.8 mm; n = 2); 3.25-3.36 × as long as wide. This species is distinguished by the posterolateral extensions of elytra long, as long as width of apical emargination; apex of posterolateral extensions unarmed by a denticle; declivity strongly excavated; and moderate size.

Similar species.

Debus amphicranoides .

Distribution.

West Malaysia, Myanmar, Thailand.

Host plants.

Polyphagous ( Beeson 1930; Browne 1961b).

Figures

Figure 47. Dorsal, lateral and declivital view of Debus adusticollis, 2.2 - 2.7 mm (A, B, I), D. amphicranoides, 3.3 - 5.4 mm (C, D, J), D. birmanus paratype, 3.7 - 3.9 mm (E, F, K), and D. detritus holotype, 3.9 - 4.6 mm (G, H, L).