A new genus and rare genera of Macrocentrinae from the Oriental region (Hymenoptera: Braconidae) Author Oanh, Nguyen Thi 0000-0002-3265-0580 Dong Thap University, Cao Lanh City, Dong Thap, Vietnam ntoanh@dthu.edu.vn Author Long, Khuat Dang Institute of Ecology & Biological Resources (IEBR), Vietnam Academy of Science & Technology (VAST), 18 Hoang Quoc Viet Road, Cau Giay, Ha Noi, Vietnam Author Achterberg, Cornelis Van 0000-0002-6495-4853 Naturalis Biodiversity Center, Postbus 9517, 2300 RA Leiden, the Netherlands kees@vanachterberg.org Author Nghiep, Hoang Thi 0000-0003-3000-8049 Dong Thap University, Cao Lanh City, Dong Thap, Vietnam htnghiep@dthu.edu.vn Author Hiep, Nguyen Duc 0000-0003-3000-8049 Institute of Ecology & Biological Resources (IEBR), Vietnam Academy of Science & Technology (VAST), 18 Hoang Quoc Viet Road, Cau Giay, Ha Noi, Vietnam hiep79hn@gmail.com text Zootaxa 2024 2024-12-13 5551 3 580 590 https://doi.org/10.11646/zootaxa.5551.3.8 journal article 10.11646/zootaxa.5551.3.8 1175-5326 14443413 850F596D-8FE7-4C6F-A8BB-CD8833922C9C Key to Oriental genera of Macrocentrinae (based on females) 1 Laterope absent, exceptionally shallowly impressed in glymma, but not distinctly differentiated ( Figs 1A, B ); first metasomal tergite flat or convex medio-basally ( Fig. 1C ); [marginal cell of hind wing more or less widened apically ( Fig. 1E ); vein SR of hind wing sinuate ( Fig. 1D ) or straight ( Fig. 1 Ea); vein 1-CU1 of fore wing slender]................................ 2 - Laterope deep and large, distinctly differentiated from glymma ( Figs 1F, G ); first tergite nearly always slightly concave medio-basally ( Fig. 1H )..................................................................................... 3 2 Vein 2-SR+M of fore wing longer than vein m-cu ( Fig. 1 Ia); vein SR of hind wing straight and unsclerotized subbasally; marginal cell of hind wing directly strongly widened apically ( Figs 1E, 1 Ib).................... Leptozele Cameron, 1910 - Vein 2-SR+M of fore wing shorter than vein m-cu ( Fig. 1 Ja); vein SR of hind wing distinctly curved and sclerotized subbasally; marginal cell of hind wing moderately widened to subparallel-sided apically ( Fig. 1 Jb)........ Aulacocentrum Brues, 1922 3 Vein R1 of hind wing distinctly widened and short (see Fig. 22 in van Achterberg 1993); vein 3-M of fore wing more directed posteriad and shorter than twice vein 3-SR; [marginal cell of hind wing hardly or not constricted subbasally]........................................................................................ Rectizele van Achterberg, 1993 - Vein R1 of hind wing (= part of vein with hamuli) slender and medium-sized ( Fig. 1 Eb, Figs 2 Dc, Fb); vein 3-M of fore wing normal, less directed posteriad and at least twice as long as vein 3-SR ( Figs 2A, B )................................. 4 4 Inner hind spur 0.5–0.8 × longer than hind basitarsus (Fig. 15 in van Achterberg 1993); length of ovipositor sheath 0.1–0.6 × (or –0.9×) fore wing; fore tibial spur 0.2–0.4 × as long as fore basitarsus; vein SR of hind wing more or less sinuate, resulting in a more or less constricted marginal cell of hind wing; inner hind claw of ♀ frequently different from outer hind claw.... 5 - Inner hind spur 0.3–0.5 × as long as hind basitarsus, if 0.5 × then ovipositor sheath longer than fore wing, or fore tibial spur 0.5–0.6 × as long as fore basitarsus; vein SR of hind wing usually straight or slightly sinuate ( Figs 2 Db, Fa), resulting in a hardly constricted marginal cell of hind wing ( Figs 1D , Fig. 2 Fa, see Fig. 12 in van Achterberg 1993); inner and outer hind claw of ♀ similar.......................................................................................... 6 5 Vein cu-a of fore wing strongly widened basally ( Fig. 2 Cb); vein M+CU1 of fore wing distinctly angled ( Fig. 2 Ca); subbasal cell of fore wing strongly widened apically ( Fig. 2C ).................. Neurogoniella van Achterberg & Long , gen. nov. - Vein cu-a of fore wing slender basally (see Fig. 12 in van Achterberg 1993); vein M+CU1 of fore wing at most moderately curved (but stronger in a few extralimital (Australian) species).............................. Austrozele Roman, 1910 6 First tergite largely longitudinally sculptured or smooth ( Fig. 2 Da), if evenly transversely sculptured, then vein SC+R1 of hind wing straight or weakly curved ( Fig. 2 Db); vein SR of hind wing at most moderately curved subbasally ( Fig. 2 Db)....................................................................................... Macrocentrus Curtis, 1833 - First tergite largely transversely sculptured ( Fig. 2E ) and vein SC+R1 of hind wing (rather) abruptly bent; vein SR of hind wing strongly curved subbasally ( Fig. 2 Fa)............................................... Aulacocentrum Brues, 1922