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 Debus detritus (Eggers, 1927) Fig. 47G, H, L Xyleborus detritus Eggers, 1927a: 402. Debus detritus (Eggers): Beaver 2011 : 284. Xyleborus maniensis Browne, 1981a: 130. Synonymy: Beaver 2011 : 284. Type material. Holotype Xyleborus detritus (NHMW). Holotype Xyleborus maniensis (NHMUK). Diagnosis. 3.9-4.6 mm long (mean = 4.22 mm; n = 5); 2.69-2.93 x as long as wide. This species is distinguished by the elytral apex emarginate, never explanate, appearing flat and broad; declivital sulcus shallow; and large size. Similar species. Debus adusticollis , D. pumilus . Distribution. Indonesia (Java), East Malaysia, Thailand. Host plants. Unknown.