1) Peigler & Chutia (2013) evidenced that all the wild collected specimens reported from China are named as ‘pernyi’ whereas specimens reported from Nepal, Thailand, Burma, Vietnam, West Malaysia, and the Himalayan regions of India are almost always named as ‘roylei’ but at the same time considered Antheraea (Antheraea) pernyi and Antheraea (Antheraea) roylei as the same species. With a series of evidence and justifications, the authors asked the International Commission on Zoological Nomenclature to use its plenary power to rule that Antheraea roylei is not invalid. Naumann (2015) and Nässig (2015) argued that Antheraea roylei and Antheraea pernyi are two distinct species, with the former as the sub-Himalayan and the latter, a Chinese species. However, Peigler (2016), again, discussed in detail that both names refer to a single biological species. 2) Historically, crosses between Chinese ‘pernyi’ and the sub-Himalayan ‘roylei’ were made in the 19th century (Hutton 1872; Wailly 1882). In 1970’s, the hybrid was named as Antheraea proylei Jolly, 1970 and these hybrids received much attention in India (Jolly et al. 1979; Sharma et al. 2010; Mansotra et al. 2019; Mansotra & Joshi 2021). However, Srivastav & Thangavelu (2005) reported that ‘pernyi’ and ‘proylei’ are biologically the same species. 3) Antheraea roylei was described by Moore (in Horsfield & Moore, [1860], p. 397 and also, the species (spelt as roylii) was described in another work by Moore (1859, p. 256, pl. 64, fig. 1), which was actually published prior to the catalogue of Horsfield & Moore ([1860]). Therefore, the correct publication date and reference is Moore (1859). In Moore (1859) the name was misspelled as roylii, but Nässig & Holloway (2010) concluded that the name should be spelled ‘roylei’, citing the relevant articles of the Code, and pointing out that the spelling ‘roylei’ had been used consistently in publications for 140 years (Peigler & Chutia 2013). 4) The International Commission of Zoological Nomenclature declined to conserve the specific name Antheraea roylei (ICZN 2018: Opinion 2415; Case 3635). 5) While discussing A. knyvetti Hampson, Naumann & Nässig (2020) used the name Antheraea roylei for Himalayan population, but without any further comments on the nomenclature of A. roylei. Following Srivastav & Thangavelu (2005), Peigler (2016) and ICZN (2018: Opinion 2415; Case 3635), we considered A. roylei and A. proylei as a synonym of A. pernyi.