Oocyclus extensus sp. nov. A dorsal view B lateral view C ventral view D dorsal view of aedeagus. Scale bars: 1 mm.

 
 
  Part of: Jia F-long, Mai Z-qi (2024) Three new species of Oocyclus Sharp, 1882, with additional records from China (Coleoptera, Hydrophilidae, Laccobiini). ZooKeys 1205: 17-38. https://doi.org/10.3897/zookeys.1205.123579