1. A new species of Psilalcis Warren, 1893 from the East Asia (Lepidoptera: Geometridae: Ennominae).;Beljaev;Insecta Koreana,2000
2. Introduction
3. The Moths of Borneo, Part 11: Family Geometridae, Subfamily Ennominae.;Holloway;Malayan Nature Journal,1994
4. Some Geometrid-Moths from Yakushima.;Inoue;The Entomological Review of Japan,1956