8–9 Helochares guoi Yang & Jia, sp. nov. 8 antennae 9 maxillary palp 10–20 Helochares distinctus Jia & Tang, sp. nov. 10 the antennae of fig3 11 the antennae of fig4 12 maxillary palp 13 mentum 14 apex of fifth abdominal ventrite 15 prosternum 16 mesoventrite 17 metaventrite 18 protarsomeres 19 mesotarsomeres 20 metatarsomeres.

 
 
  Part of: Yang Z, Jia F, Tang Y, Jiang L (2021) Two new species of Helochares, with additional faunistic records from China (Coleoptera, Hydrophilidae, Acidocerinae). ZooKeys 1078: 57-83. https://doi.org/10.3897/zookeys.1078.73458