Monday, September 29, 2025

[Entomology • 2024] Oocyclus extensus, O. latiorificialis & O. ximaensis • Three New Species of Oocyclus Sharp, 1882 (Coleoptera: Hydrophilidae: Laccobiini), with additional records from China

 

Oocyclus extensus
 Jia & Mai, 2024


Abstract
Three new species of the water scavenger beetle genus Oocyclus Sharp, 1882 from China (Oocyclus extensus sp. nov., from Xizang, O. latiorificialis sp. nov. and O. ximaensis sp. nov. from Yunnan) are described and illustrated in detail. Additional faunistic data, illustrations of habitus and male genitalia, and a key to Chinese species are provided.

Key words: Identification key, Oriental Region, water scavenger beetles, Xizang, Yunnan


Habitat of Oocyclus ximaensis sp. nov.
  
A river valley with forests on both sides in Xima Town (Yunnan); the red arrow indicates the rock wall with flowing water B, C adults at night.

Habitats of Oocyclus extensus sp. nov.
A valley at Zhêntang Town (Xizang), roadside with waterfalls B wet rock with fine flowing water C, D adults at night.


 Feng-long Jia and Zu-qi Mai. 2024. Three New Species of Oocyclus Sharp, 1882, with additional records from China (Coleoptera, Hydrophilidae, Laccobiini). ZooKeys. 1205: 17-38. DOI: doi.org/10.3897/zookeys.1205.123579