Taxonomic revision of the genus Loboscelidia Westwood, 1874 (Hymenoptera: Chrysididae: Loboscelidiinae) from Vietnam Author Hisasue, Yu D2E20D5E-B406-4169-9B1D-A4D0078D06EE Entomological Laboratory, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka, Fukuoka, 819 - 0395, Japan. & Ogasawara Division of Japan Wildlife Research Center, Okumura, Chichijima, Ogasawara, Tokyo 100 - 2101, Japan. hybrizonist@gmail.com Author Pham, Thai-Hong B226B19B-509B-4878-B2FD-8505B688A1D2 Mientrung Institute for Scientific Research, Vietnam National Museum of Nature, Vietnam Academy of Science and Technology (VAST), 321 Huynh Thuc Khang, Hue, Vietnam. & Graduate School of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Hanoi, Vietnam. phamthai@vnmn.vast.vn Author Mita, Toshiharu 6CC49F2C-C91C-463C-9C2D-8269588E1A6A Entomological Laboratory, Faculty of Agriculture, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka, 819 - 0395 Japan. t3mita@agr.kyushu-u.ac.jp text European Journal of Taxonomy 2023 2023-08-04 887 1 1 68 http://zoobank.org/788ae14a-0698-4c42-819c-bc2412f76fca journal article 60724 10.5852/ejt.2023.887.2203 e07425be-9a2c-4459-aa8b-b51c90eafc0f 2118-9773 8222523 788AE14A-0698-4C42-819C-BC2412F76FCA Loboscelidia pecki Kimsey, 2012 Fig. 19 Loboscelidia pecki Kimsey, 2012: 31 . Holotype ♂ ; Vietnam : Tuyen Quang Province , Na Hang Nature Reserve ( CNC ) . Remarks Loboscelidia pecki resembles L. cinnamonea and L. vietnamensis sp. nov. However, L. pecki can be distinguished by the following characteristics: scape 3.0 times or less as long as wide (3.9 times as long as wide in L. cinnamonea ); scrobal sulcus present (absent in L. cinnamonea ); and Rs at least 3.0 times as long as the R (twice as long as R in L. cinnamonea ) ( Kimsey 2012 ). L. pecki shares with L. vietnamensis sp. nov. the combination of the following characteristics: rectangular frontal projection; scape less than 3.0 times as long as wide; and Rs 3.2 times as long as R. However, L. pecki can be distinguished by the following characteristics: F11 4.0 times as long as wide (nealy 3.0 times as long as wide in L. vietnamensis sp. nov. ); pronotum 0.9 times as long as posterior width (0.80 times as long as posterior width in L. vietnamensis sp. nov. ); hindcoxa without lateral carina (with the lateral carina in L. vietnamensis sp. nov. ); hindtibial flange 1.3 times as long as the tubular part (twice as long as the tubular part in L. vietnamensis sp. nov. ); and lacking cu-a (present in L. vietnamensis sp. nov. ). Distribution Vietnam (Northern Vietnam ).