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 Euwallacea interjectus (Blandford) * Xyleborus interjectus Blandford, 1894: 576 . Euwallacea interjectus (Blandford) : Saha & Maiti 1984: 2 . This species is newly recorded from Bhutan . New record. Bhutan , Gedu, 6.viii.[19]85, AF Padgham , ex Trewia nudiflora, CIE A 17491 (8) ( NMHL ) . Distribution. From the Indian subcontinent, China and South Korea through Southeast Asia and Indonesia to the Philippines , New Guinea and Solomon Islands . Introduced to North America, Hawaii and South America ( Argentina ). Biology. The species is polyphagous ( Beeson 1930 ; Browne 1961 ; Beaver & Liu 2010 ). Mallotus (= Trewia ) nudiflorus ( Euphorbiaceae ) has not been recorded previously as a host tree. The biology and gallery system have been described by Beeson (1930) , Browne (1961) and Kalshoven (1959) . The relationship of the beetle with its symbiotic fungus and with the pathogen causing fig wilt disease in fig trees in Japan is discussed by Jiang et al. (2021) .