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 reducta Maa & Yoshimoto, 1961 Fig. 21 Loboscelidia reducta Maa & Yoshimoto, 1961: 537 . Holotype ♂ ; Viet Nam : Dai Lanh , n Nha Trang ( BPBM ). Material examined Paratype VIETNAM • 1 ♂ ; Dai Lanh , N of Nha Trang ; 30 Nov.–5 Dec. 1960 ; C.M. Yoshimoto leg.; USNM . Non-type THAILAND • 1 ♂ ; Bangkok , Khao Yai NP , Moist Semi Evergreen Forest ; alt. 780 m ; 18–24 Apr. 1990 ; B.V. Brown leg.; MT ; CNC . Remarks Loboscelidia reducta resembles L. incompleta Kimsey, 2012 , L. bakeri , L. fulgens and L. ganxingensis in having the following characteristics: rectangular frontal projection, complete notauli; absent or reduced cu-a vein; and absent M vein. It also shares with L. mediata sp. nov. the following characteristics: frons polished and tibial flanges absent. However, L. reducta can be distinguished by the following characteristics: frons polished (microstriate in L. bakeri ); behind ocelli with transverse depression (without transverse depression in L. bakeri ); and tibial flanges absent (present in other species) ( Kimsey 2012 ). Distribution Thailand ; Vietnam (Central Vietnam ).