Beaverium latus (Eggers, 1923)

Sittichaya, Wisut, Smith, Sarah M. & Beaver, Roger A., 2019, Ten newly recorded species of xyleborine ambrosia beetles (Coleoptera, Curculionidae, Scolytinae, Xyleborini) from Thailand, ZooKeys 862, pp. 109-127 : 117

Beaverium latus (Eggers, 1923) Fig. 6 A–F

Xyleborus latus Eggers, 1923: 177.

Terminalinus latus (Eggers): Wood 1986: 267.

Beaverium latus (Eggers): Hulcr and Cognato 2009: 26.

Diagnosis.

Large, 6.6 mm long (N = 1); stout, 2.2 times longer than wide; body covered with golden setae, setae longer on declivity, reddish brown to dark brown in color; pronotum from dorsal view conical (type 0; Hulcr et al. 2007), anterior half densely asperate, asperities robust, base asperate, anterior margin armed with two medium serrations, from lateral view appearing rounded and robust (type 5; Hulcr et al. 2007); elytra 1.35 times longer than pronotum, disc flat, weakly impressed, declivital posterolateral margins carinate, declivity flat, densely covered with long erect golden hair-like setae.

Material examined.

THAILAND, Hala-Bala Wildlife Sanctuary, Narathiwat Province, lowland tropical rainforest, 5°47'44"N, 101°50'07"E, 01.v.2015 (1), ethanol-baited trap (W. Sittichaya).

Distribution.

‘Borneo’, East and West Malaysia, Indonesia (Sumatra). New to Thailand.

Biology.

Recorded from Maranthes corymbosa Blume ( Chrysobalanaceae ), Shorea balanocarpoides Symington, S. leprosula Miq., S horea sp. ( Dipterocarpaceae ), Intsia palembanica Miq. ( Fabaceae ), Castanopsis inermis (Lindl.) Benth. & Hook.f., Lithocarpus sundaicus (Blume) Rehder ( Fagaceae ) ( Browne 1961).

Remarks.

This species can be distinguished from all other Beaverium recorded in Thailand by the body brown to dark brown in color, declivital posterolateral margins carinate, declivity flat, and densely covered with long golden setae.

Figures

Figure 6. Beaverium latus (Eggers, 1923) A lateral view B dorsal view C posterolateral view D front E antenna F declivity.