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 Microperus diversicolor (Eggers, 1923) Fig. 67A, B, I Xyleborus diversicolor Eggers, 1923: 202. Coptodryas diversicolor (Eggers): Wood and Bright 1992 : 824. Microperus diversicolor (Eggers): Hulcr and Cognato 2010a : 19. Xyleborus myristicae Schedl, 1939b: 49. Synonymy: Hulcr and Cognato 2010a : 19. Xyleborus theae Eggers, 1940: 144. Synonymy: Wood 1989 : 171. Xyleborus brevipilosus Eggers, 1940: 145. Synonymy: Kalshoven 1959a : 95. Xyleborus cylindripennis Schedl, 1954a: 152. Synonymy: Wood 1989 : 171. Xyleborus atavus Schedl, 1979b: 104. Synonymy: Hulcr and Cognato 2010a : 19. Type material. Lectotype Xyleborus myristicae (NHMW). Diagnosis. 1.6-1.8 mm long (mean = 1.68 mm; n = 5); 2.57-2.83 x as long as wide. This species is distinguished by the declivital interstriae sparsely covered with short erect bristle-like setae; elytral disc medially convex, appearing humped; antennal club type 3 with two sutures visible on posterior face; declivity short, steep; all declivital interstriae uniformly granulate from base to apex; declivital face convex; and posterolateral costa carinate. Similar species. Microperus kadoyamaensis , M. minax . Distribution. Indonesia (Java, Sumatra), East & West Malaysia, New Guinea, Philippines, Solomon Islands, Thailand. Host plants. Polyphagous ( Browne 1961b ). Figure 67. Dorsal, lateral and declivital view of Microperus diversicolor , 1.6-1.8 mm ( A, B, I ), M. fulvulus lectotype, 2.8-2.95 mm ( C, D, J ), M. kadoyamaensis , 1.8-2.0 mm ( E, F, K ), and M. kirishimanus , 1.6-1.8 mm ( G, H, L ).