Zhi, Y.-C., J.-P. Shi, and L. Dai. “Two New Species and Key to Four Species of the Genus Humphaplotropis From China (Orthoptera: Pamphagidae, Pamphaginae)”. Zootaxa, vol. 4032, no. 1, Oct. 2015, pp. 134–140, doi:10.11646/zootaxa.4032.1.8.