Planiculus angulatus, 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 Cognato, Anthony I. Department of Entomology, Michigan State University, 288 Farm Lane, 243 Natural Science Bldg., East Lansing, MI 48824, USA text Zootaxa 2024 2024-06-20 5471 4 482 488 http://dx.doi.org/10.11646/zootaxa.5471.4.7 journal article 298839 10.11646/zootaxa.5471.4.7 bbc309f4-7360-4d6f-81d2-7bf5a35e0379 1175-5326 12190417 2AA38BE0-777E-4D53-9560-083E045A5F2B Planiculus shiva ( Maiti & Saha, 1986 ) (new to Thailand ) Xyleborus shiva Maiti & Saha, 1986: 140 . Diagnosis. 1.90–2.10 mm long (mean 1.97, n = 5); 2.86–2.98× as long as wide. Pronotum 1.10–1.11× as long as wide, from dorsal view long and round frontally, type 9, from lateral view elongated with low summit and elongate disc ( type 8). Elytra 1.60–1.88× as long as wide, 1.44–1.69× as long as pronotum. Declivity below the middle: interstria 1–3 laterally curved, interstria 1 inflated armed with moderate sized, acute tubercle, interstria 2 flat, unarmed or with 1–3 granules, separated by at least 2× diameter of a granule; apex shallowly emarginate. FIGURE 2. Planiculus shiva ( Maiti & Saha, 1986 ) , none type A) dorsal view B) lateral view. Thai Distribution. New to Thailand; S: Krabi ( Krabi Province , Khlong Thom District , Khao Pra—Bang Kram Wildlife Sanctuary , 7°55’26.5”N 99°16’23.4”E , lowland tropical rainforest, 100msl, ex trunk of unknown tree, 22–23.ii.2012 , (2) ( W. Sittichaya )) ( WSTC ) , Nakhon Sri Thammarat ( Lan Saka district , Khao Luang NP, headquarters, 08° 22’ 21.6’’ N , 99° 44’ 14.7’’ E , 196 m , tropical rainforest, eBT, 15.vii.2010 , (1) ( W. Sittichaya )) ( WSTC ) , Surat Thani ( Phanom district , Khlong Phanom National Park , 8°52’40.3”N 98°40’37.4”E , 140m , tropical rainforest, ex. branches of unknown tree, 22–23.ii.12 , (2) ( W. Sittichaya )) (1, WSTC ) (1, MSUC ) . Habitat types . Tropical lowland forest, tropical rain forest.