A new species of the genus Ivela Swinhoe (Lepidoptera, Erebidae, Lymantriinae) from Guangdong, China.

Ivelayini sp. nov., is described from Guangdong, China based on morphological characters and molecular data. Adults, including genitalia and wing venation, and pupa are illustrated and compared to those of similar species. A key to Chinese Ivela species is provided. Assignment of the new species to Ivela Swinhoe is based primarily on a molecular phylogenetic analysis and is corroborated by morphology. Life histories of I.yini and Dendrophlepssemihyalina Hampson are discussed.

Review of the genus Leucoma Hbner, 1822 (Lepidoptera: Erebidae: Lymantriinae) from China, with description of two new species.

The genus Leucoma Hbner from China is reviewed. Based on morphological characters and DNA barcode data, fourteen species belonging to this genus are recognized, with descriptions of two new species: L. nyingchiensis sp. nov. and L. sichuana sp. nov.. Illustrations of adults and their genitalia are provided along with a key to all currently known species of Leucoma in China.