Chen, Zhuo, Hu Li, and Wanzhi Cai. 2021. “Proguithera caspersi, a New Cavernicolous Thread-Legged Bug Species (Hemiptera: Heteroptera: Reduviidae: Emesinae) from Hainan, China”. Zootaxa 4963 (2). Auckland, New Zealand:354–364. https://doi.org/10.11646/zootaxa.4963.2.6.