Andréa E. A. Stephens; George W. Gibbs (December 2003). "Two new species of Pseudocoremia and reinstatement of P. pergrataas species (Lepidoptera: Geometridae: Ennominae)". New Zealand Entomologist. 26 (1): 61–64. doi:10.1080/00779962.2003.9722109. ISSN0077-9962. WikidataQ54601619.
Andréa E. A. Stephens; George W. Gibbs (December 2003). "Two new species of Pseudocoremia and reinstatement of P. pergrataas species (Lepidoptera: Geometridae: Ennominae)". New Zealand Entomologist. 26 (1): 61–64. doi:10.1080/00779962.2003.9722109. ISSN0077-9962. WikidataQ54601619.
Andréa E. A. Stephens; George W. Gibbs (December 2003). "Two new species of Pseudocoremia and reinstatement of P. pergrataas species (Lepidoptera: Geometridae: Ennominae)". New Zealand Entomologist. 26 (1): 61–64. doi:10.1080/00779962.2003.9722109. ISSN0077-9962. WikidataQ54601619.