Citations: Hongsuwong, T.; Sanguansub, S.; Jaitrong, W. 2022: A new species and a new synonym in the scarab genus Parastasia Westwood, 1841 (Coleoptera: Scarabaeidae: Rutelinae), with a key to species from Thailand. Zootaxa, Auckland 5205 (6), S. 547-562, 12 336, pp. 548