Coptodryas concinna (Beeson, 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

Coptodryas concinna (Beeson, 1930) Fig. 35G, H, L

Xyleborus concinnus Beeson, 1930: 214.

Coptodryas concinnus (Beeson): Wood 1989: 171.

Xyleborus flexicostatus Schedl, 1942c: 31. Synonymy: Kalshoven 1959b: 152; Wood 1989: 171.

Type material.

Holotype Xyleborus concinnus (NHMUK), paratype (FRI, 1; NHMUK, 1). Holotype Xyleborus flexicostatus (NHMW).

New records.

China: Hong Kong, Tai Po Kau, vi.2017, J. Skelton (MSUC, 1).

Diagnosis.

2.3 mm long (mean = 2.3 mm; n = 4); 2.09-2.3 × as long as wide. This species is distinguished by the dense tuft of setae along the elytral base extending to interstriae 4; body glabrous except for pronotal and elytral bases; striae and interstriae uniseriate punctate, elytral disc strongly shiny; declivity shagreened; declivity bisulcate, interstriae 2 and 3 moderately depressed, interstriae 4-7 carinate, interstriae 4 strongly tumescent and sharply carinate from base to apical 1/4; declivital posterolateral margin carinate to interstriae 7; protibiae distinctly triangular; pronotum rounded, robust (type 5) when viewed laterally and rounded (type 1) when viewed dorsally.

Similar species.

Coptodryas amydra , C. carinata , C. elegans , C. nudipennis .

Distribution.

China* (Hong Kong), India (West Bengal), Indonesia (Java), Myanmar, Thailand.

Host plants.

Recorded from Albizia ( Fabaceae ), Camellia ( Theaceae ), Dimocarpus ( Sapindaceae ) and Lansium ( Meliaceae ) ( Beeson 1930; Kalshoven 1959b; Maiti and Saha 2004; Beaver et al. 2014).

Remarks.

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

Figures

Figure 35. Dorsal, lateral and declivital view of Coptodryas amydra holotype, 1.9 mm (A, B, I), C. bella, 3.75 - 4.0 mm (C, D, J), C. carinata holotype, 2.7 mm (E, F, K), and C. concinna, 2.3 mm (G, H, L).