Han, Hongxiang, and Dayong Xue. 2008. “A Taxonomic Review of Pachyodes GuenJe, 1858, With Descriptions of Two New Species (Lepidoptera: Geometridae, Geometrinae)”. Zootaxa 1759 (1). Auckland, New Zealand:51–68. https://doi.org/10.11646/zootaxa.1759.1.3.