The bark and ambrosia beetles of Bhutan (Coleoptera: Curculionidae: Scolytinae and Platypodinae): a synopsis with three new species of Scolytinae Author Beaver, Roger A. 161 / 2 Mu 5, Soi Wat Pranon, T. Donkaew, A. Maerim, Chiangmai 50180, Thailand. Author Smith, Sarah M. 0000-0002-5173-3736 Department of Entomology, Michigan State University, 288 Farm Lane, 243 Natural Science Bldg., East Lansing, MI 48824, USA. smith 462 @ msu. edu; https: // orcid. org / 0000 - 0002 - 5173 - 3736 smith462@msu.edu text Zootaxa 2022 2022-08-08 5174 1 1 24 journal article 115950 10.11646/zootaxa.5174.1.1 c4bf1061-5af8-4f4a-b4ca-234b6d0ca615 1175-5326 6972960 F80F144B-D1E8-4587-A146-0BACFFE18FB6 Diapus aculeatus Blandford Diapus aculeatus Blandford, 1894: 139 . Recorded from Bhutan by Schedl (1975) . Distribution. Bhutan , India ( Assam , Uttarakhand ), Japan , Laos , Taiwan , Thailand , Vietnam . Biology. The species is associated primarily with species of Fagaceae ( Castanea , Castanopsis , Quercus ) ( Beaver & Shih 2003 ).