Zaitzevia

Champion, 1923

riffle beetles

Species Guides

1

Zaitzevia is a of riffle beetles ( Elmidae) comprising approximately 19–29 described , depending on taxonomic treatment. The genus was established by George Charles Champion in 1923 and is named after Russian entomologist Filipp Zaitsev. is concentrated in East, Southeast, and Central Asia, with additional representation in North America. Chinese species are particularly well-documented, with multiple new species described from Sichuan, Yunnan, Hunan, Hubei, and Guizhou provinces.

Zaitzevia parvula by (c) Trevor Van Loon, some rights reserved (CC BY), uploaded by Trevor Van Loon. Used under a CC-BY license.Image from page 41 of "Aquatic dryopoid beetles (Coleoptera) of the United States" (1972) by Internet Archive Book Images. Used under a CC0 license.Aquatic dryopoid beetles (Coleoptera) of the United States (Page 64) BHL3286871 by Brown, Harley P.; Oceanography and Limnology Program (Smithsonian Institution); United States.. Used under a Public domain license.

Pronunciation

How to pronounce Zaitzevia: //zaɪˈtzɛviə//

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Images

Habitat

Small ravine streams; specimens have been collected from bottom cracks of stones in streambeds.

Distribution

East, Southeast, and Central Asia to North America. Documented in China (Sichuan, Yunnan, Hunan, Hubei, Guizhou, and Shaanxi provinces), with additional in other Asian regions and North America.

Similar Taxa

  • IndosolusZaitzevia acutangula was originally described in Zaitzevia but later transferred to Indosolus, indicating historical taxonomic confusion between these
  • Other Elmidae generaAs with all riffle beetles, aquatic stream-dwelling and small size make field identification to level challenging without examination of male genitalia and other subtle morphological characters

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