L. Ballantyne, X. H. Fu, C.-H. Shih, C.-Y. Cheng, and V. Yiu, “Pteroptyx maipo Ballantyne, a new species of bent-winged firefly (Coleoptera: Lampyridae) from Hong Kong, and its relevance to firefly biology and conservation”, Zootaxa, vol. 2931, no. 1, pp. 8–34, Jun. 2011.