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 Webbia duodecimspinata Schedl, 1942 Fig. 80C, D, J Webbia 12-spinatus [ sic ] Schedl, 1942a: 182. Type material. Lectotype (NHMW). Not examined. Diagnosis. 3.1-3.5 mm long (mean = 3.27 mm; n = 5); 2.6-2.92 x as long as wide. This species is distinguished by the entire circumdeclivital margin armed with six spines on each side, lacking teeth on interstriae 2, 4, and 5, or these teeth much smaller than others; declivital face with a single vermiculate ridge on each side and a row of tubercles lateral to it. Similar species. Webbia dipterocarpi , W. quatuordecimspinata , W. trigintispinata . Distribution. West Malaysia, Thailand. Host plants. Associated with Dipterocarpaceae ( Dipterocarpus , Hopea , Shorea ) ( Beaver and Browne 1979 ; Beaver et al. 2014 ). Remarks. A brood of 107 offspring is recorded by Beaver and Browne (1979) .