Coptodryas elegans (Sampson, 1923)

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

Coptodryas elegans (Sampson, 1923) Fig. 36C, D, J

Xyleborus elegans Sampson, 1923: 288.

Coptodryas elegans (Sampson): Wood 1989: 171.

Type material.

Syntype (NHMUK).

New records.

China: 28.iv.1938, Litchi chinensis (NMNH, 1).

Diagnosis.

2.1-2.4 mm long (mean = 2.29 mm; n = 5); 2.2-2.4 × as long as wide. This species is distinguished by the dense tuft of setae along the elytral base extending to interstriae 8; body glabrous except for pronotal and elytral bases; striae and interstriae uniseriate punctate; elytral disc strongly shiny, declivity shagreened; declivity bisulcate, interstriae 2 to striae 3 weakly to moderately depressed, interstriae 4-7 carinate, interstriae 4 moderately tumescent and sharply carinate from base to apical 1/2; declivital posterolateral margin carinate to interstriae 7; protibiae obliquely triangular; pronotum rounded, robust (type 5) when viewed laterally, and rounded (type 1) when viewed dorsally.

Similar species.

Coptodryas concinna , C. nudipennis .

Distribution.

China* (no specified province), India (Madhya Pradesh, West Bengal), Indonesia (Java), Vietnam.

Host plants.

Recorded from three different families of trees and probably polyphagous ( Beaver et al. 2014).

Remarks.

Records of this species in Beaver et al. (2014) should be referred to Coptodryas concinna (Beeson).

Figures

Figure 36. Dorsal, lateral and declivital view of Coptodryas confusa, 1.8 - 2.2 mm (A, B, I), C. elegans syntype, 2.1 - 2.4 mm (C, D, J), C. inornata holotype, 3.1 - 3.2 mm (E, F, K), and C. mus, 2.3 - 2.4 mm (G, H, L).