New anaxyelids (Hymenoptera: Anaxyelidae) from the Cretaceous of Asia Author Kopylov, Dmitry S. text Zootaxa 2019 2019-05-09 4603 2 341 353 journal article 26878 10.11646/zootaxa.4603.2.7 1f07f070-4f3c-4933-b6f9-03322904cf51 1175-5326 2682450 E81C2398-1127-4619-B93B-1F3231780DC9 Mangus magnus Kopylov , sp. nov. ( Fig. 1 A–C) Etymology. From Latin magnus —giant. Material. Holotype : PIN 3559 /4458, part and counterpart impressions in marl. Well preserved fore wing. Bon- Tsagan ; Mongolia ; Lower Cretaceous , Aptian. Description. Pterostigma, C, R, R1 dark-brown, other veins somewhat lighter, costal area slightly darkened, the rest of the wing membrane transparent, with no color pattern. Sc1 joins C and Sc2 joining R well before R and Rs furcation, pterostigma desclerotized in the apical half; 1-Rs 1.4 × as long as 1-M; Rs+M 0.8 × as long as 2-M; 2-Rs arched apicad, 1.8 × as long as 1r-rs; 2r-rs 1.4 × as long as 1r-rs; 3-Rs strongly arched downward; 4+5-Rs slightly s-shaped, 1.9 × as long as 3-Rs and 2.8 × as long as 6-Rs; 5-M 0.7 × as long as 3r-m; 3r-m curved; 1-Cu as long as 2-Cu; 4-Cu 0.5 × as long as 3+4-M; 2m-cu reclined, arched apicad; 3-A1 3.0 × as long as 2-A1; cell 1r 1.3 × as long as wide, 2r 2.5 × as long as wide. Measurements: Fore wing length 19.3 mm , width 6.3 mm . Remarks. With the fore wing 19.3 mm long M. magnus is hitherto the biggest known anaxyelid sawfly.