New species and new records of Amasa Lea, 1894 ambrosia beetles from Thailand (Coleoptera: Curculionidae: Scolytinae: Xyleborini) Author Sittichaya, Wisut Agricultural Innovation and Management Division, Faculty of Natural Resources, Prince of Songkla University, Songkhla, 90110, 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 2022-10-19 5196 2 197 210 journal article 169975 10.11646/zootaxa.5196.2.2 96e1a27d-a189-4ed0-97e0-c02192b3828d 1175-5326 7224439 8107F44A-C50A-43BB-9D28-0E990E8AA0FC Amasa dasyura ( Browne, 1950 ) ( Fig. 6 ) Xyleborus dasyurus Browne, 1950: 645 . Amasa dasyurus (Browne) [ sic ]. Wood & Bright 1992: 683 . Diagnosis: 3.12–3.25 mm long (mean 3.19 mm , n = 2); 2.14–2.24× as long as wide (mean 2.19, n = 2). This species is distinguished by the pronotum appearing basic ( type 2) when viewed dorsally, anterior margin with a row of short median serrations which give the anterior margin a slightly acute appearance, pronotal disc covered with very fine very dense punctures, declivital striae narrow, punctate, interstriae 4–5 times broader than striae, with dense short bristle-like setae. Similar species: Amasa anomala (Schedl) . New records: Thailand : Nakhon Sri Thammarat Province , Khao Luang National Park , 8°43′08.7″N 99°40′39.2″E , tropical rainforest, ethanol baited trap , 01.iii.2010 (2), (all W. Sittichaya ), (2 WSTC ) . Distribution: Malaysia ( Kelantan ). New to Thailand . Host plants: Unknown.