A monograph of the Xyleborini (Coleoptera, Curculionidae, Scolytinae) of the Indochinese Peninsula (except Malaysia) and China Author Smith, Sarah M. Department of Entomology, Michigan State University, 288 Farm Lane, East Lansing, Michigan 48824, USA https://orcid.org/0000-0002-5173-3736 camptocerus@gmail.com Author Beaver, Roger A. 161 / 2 Mu 5, Soi Wat Pranon, T. Donkaew, A. Maerim, Chiangmai 50180, Thailand Author Cognato, Anthony I. Department of Entomology, Michigan State University, 288 Farm Lane, East Lansing, Michigan 48824, USA text ZooKeys 2020 983 1 442 http://dx.doi.org/10.3897/zookeys.983.52630 journal article http://dx.doi.org/10.3897/zookeys.983.52630 1313-2970-983-1 7DED4CE2934C4539945F758930C927F9 C890C7FD4B2D57A8B1A062305ED42D53 Coptodryas nudipennis (Schedl, 1951) Fig. 37A, B, E Xyleborus nudipennis Schedl, 1951a: 63. Coptodryas nudipennis (Schedl): Hulcr et al. 2007 : 579. Type material. Holotype (NHMW). Diagnosis. 2.0-2.2 mm long (mean = 2.1 mm; n = 5); 2.2-2.22 x as long as wide. This species is distinguished by the dense tuft of setae along the elytral base extending to interstriae 6; body glabrous except for pronotal and elytral bases; striae and interstriae uniseriate; elytral disc strongly shiny; declivity shagreened; declivital face subconvex, interstriae 2 and 3 depressed, remaining interstriae slightly tumescent; pronotum rounded and robust, type 5, when viewed laterally, rounded, type 1, when viewed dorsally; and anterior margin of the pronotum without a distinct row of serrations. Similar species. Coptodryas amydra , C. carinata , C. concinna , C. elegans . Distribution. Indonesia (Java), East & West Malaysia, Sri Lanka, Thailand. Host plants. Recorded from Camellia ( Theaceae ), Cinnamomum ( Lauraceae ), and Lansium ( Meliaceae ) in Java by Kalshoven (1959b) and probably polyphagous. Figure 37. Dorsal, lateral and declivital view of Coptodryas nudipennis , 2.0-2.2 mm ( A, B, E ), and C. quadricostata , 3.0 mm ( C, D, F ).