Lojková, Soňa, Peter Degma, and Ján Kodada. “Morphometry and Redescription of Parahelichus granulosus (Delève, 1974)  with Description of P. pseudogranulosus, a New Cryptic Species of Long-Toed Water Beetles (Coleoptera: Dryopidae) from Indochinese Peninsula, and Proposal of a New Synonym for Praehelichus sericatus (Waterhouse, 1881) from China”. Zootaxa 3852, no. 4 (August 18, 2014): 475–488. Accessed April 22, 2025. https://mapress.com/zt/article/view/zootaxa.3852.4.5.