Cryptoxyleborus brevicauda, a new species of xyleborine ambrosia beetle 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 Beaver, Roger A. 161 / 2 Mu 5, Soi Wat Pranon, T. Donkaew, A. Maerim, Chiangmai 50180, Thailand. text Zootaxa 2024 2024-09-09 5506 3 396 401 http://dx.doi.org/10.11646/zootaxa.5506.3.5 journal article 10.11646/zootaxa.5506.3.5 1175-5326 7A5924B2-6F4D-4EEE-9493-40E2A9F92B96 Cryptoxyleborus subnaevus Schedl, 1937 Cryptoxyleborus subnaevus Schedl, 1937: 552 . Thai distribution: N : Chiang Mai ( Beaver 1990 ); S : Chumphon ( Beaver et al. 2014 ). New records: NE : Sakon Nakhon , Phu Pan National Park, 17°03′55.5"N 103°58'10.1"E , dry deciduous dipterocarp forest, 340msl, ethanol baited trap, 01.ii.2020 (1), W. Sittichaya (WSTC). S : Nakhon Sri Thammarat, Lan Saka district, Khao Luang National Park, 8°22'26.3"N 99°44'20.8"E , tropical rainforest, ethanol-baited trap, 01.x.2010 (1), W. Sittichaya (WSTC); Songkhla province , Ratthaphum district, Ton Nga Chang Wildlife Sanctuary, 6°59'32.1"N 100°08'57.8"E , tropical rainforest, ethanol-baited trap, 01.ii.2014 (1), 01.v.2014 (1), W. Sittichaya (2, WSTC); Trang province , Khao Banthat Wildlife Sanctuary, 7°24'54.6"N , 99°49'47.5"E , tropical rainforest, ethanol baited trap, 01.xii.2013 , W. Sittichaya (1, WSTC). Habitat types : durian plantation ( Beaver et al. 2014 ); dry deciduous dipterocarp forest, montane forest, tropical rain forest.