Review of the genus Prochasma Warren (Geometridae, Ennominae, Boarmiini), with description of a new species from Hainan, South China Author Liu, Bo https://orcid.org/0009-0008-7003-4659 Coconut Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wenchang, 571339, China liubocatas@foxmail.com Author Stuening, Dieter https://orcid.org/0000-0002-1748-4510 Leibniz Institute for the Analysis of Biodiversity Change-Zoological Research Museum Alexander Koenig, Adenauerallee 124, D- 53113, Bonn, Germany text ZooKeys 2024 2024-01-31 1190 303 317 http://dx.doi.org/10.3897/zookeys.1190.112468 journal article http://dx.doi.org/10.3897/zookeys.1190.112468 1313-2970-1190-303 EAE92102F6244612A1B8F89C3C1553FF ED12FB89E9D152C4A1ED0B17514FA735 Prochasma parasqualida Sato Prochasma parasqualida Sato, 2023, Tinea 26 (4): 379-385, figs 9-12 (adults of male holotype and female paratype), 16, 19 (male and female genitalia of syntypes). Type-locality: Ban Kalo, Phou Khoun, Luang Prabang, Laos. Prochasma squalida : Sato 2019 , Tinea 25 (Suppl. 1): 138-149, figs 19-21, 35, 42; Sato 2020 , Tinea 25 (Suppl. 2): 84, pl. 29, fig. 24. Distribution. Vietnam, Laos, Thailand. Remarks. Considered as conspecific with P. squalida in Sato (2019 , 2020 ).