Review of the genus Leucoma Hübner, 1822 (Lepidoptera: Erebidae: Lymantriinae) from China, with description of two new species Author Xie, Linzhe 0000-0002-9779-4710 Department of Entomology, College of Plant Protection, South China Agricultural University, Guangzhou 510642, China & xlzam 97 @ 163. com; https: // orcid. org / 0000 - 0002 - 9779 - 4710 Author Wang, Ming 0000-0001-5834-4058 Department of Entomology, College of Plant Protection, South China Agricultural University, Guangzhou 510642, China & minwang @ scau. edu. cn; https: // orcid. org / 0000 - 0001 - 5834 - 4058 minwang@scau.edu.cn Author Chen, Yusi 0000-0002-0315-0245 Department of Entomology, College of Plant Protection, South China Agricultural University, Guangzhou 510642, China & c 13342834137 @ 163. com; https: // orcid. org / 0000 - 0002 - 0315 - 0245 Author Wang, Houshuai 0000-0002-0796-9768 Department of Entomology, College of Plant Protection, South China Agricultural University, Guangzhou 510642, China & houshuaiwang @ scau. edu. cn; https: // orcid. org / 0000 - 0002 - 0796 - 9768 houshuaiwang@scau.edu.cn text Zootaxa 2022 2022-03-15 5115 3 361 380 journal article 20213 10.11646/zootaxa.5115.3.3 eb525340-9b8e-436b-8b14-5c8508f78e44 1175-5326 6358370 96A98403-B1DD-4671-8678-146940CF8686 A key to species of Leucoma Hübner in China 1 Forewings yellow brown......................................................................... L. sartus - Forewings white or silvery white......................................................................... 2 2 Thorax with two dark dots or oblique lines................................................................. 3 - Thorax without dark dots or slashes....................................................................... 4 3 Hind tarsi white............................................................................... L. sericea - Hind tarsi black............................................................................ L. melanoscela 4 Legs white, with black circles on tarsi..................................................................... 5 - Legs white, without black circles on tarsi.................................................................. 6 5 Main stem of antennae white, with black-brown stripes................................................ L. candida - Main stem of antennae white, without black-brown stripes............................................... L. salicis 6 Forewings with a black edge at the basal area of costa................................................. L. costalis - Forewings without black edges at the basal area of costa...................................................... 7 7 Frons with a black spot.......................................................................... L. niveata - Frons without black spots............................................................................... 8 8 Forewings with silvery white bands....................................................................... 9 - Forewings without silvery white bands................................................................... 12 9 Forewing with three arcuate white oblique bands....................................................... L. clara - Forewings with two or three parallel oblique bands......................................................... 10 10 Pectionations of antennae pale tawny.............................................................. L. impressa - Pectionations of antennae dark brown.................................................................... 11 11 Vesica of aedeagus with four sclerotized digitate projections........................................... L. parallela - Vesica of aedeagus without sclerotized digitate projections.......................................... L. chrysoscela 12 Left valva longer than right valva..................................................... L. nyingchiensis sp. nov. - Left valva shorter than right valva....................................................................... 13 13 Labial palpi orange yellow...................................................................... L. ochripes - Labial palpi white...................................................................... L. sichuana sp. nov.