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''Rhagovelia'' is a genus of smaller water striders in the family Veliidae. There are at least 390 described species in ''Rhagovelia''. File:Rhagovelia whirling in a swarm.webm, Rhagovelia can be gregarious and form swarms. Morton Arboretum, Illinois


Evolution


Origins

The origins of the genus are among water striders of Veliidae family without propelling fans on their legs.


Evolution from water striders


Genes 'geisha' and 'mother-of-geisha'

The duplication of genes, called by researchers 'geisha' and 'mother-of-geisha', caused evolutionary creation of propelling fans on middle pair of water strider's legs which in its turn has made able for species in the genus to walk across more fast-flowing and turbulent streams.


See also

*
List of Rhagovelia species This is a list of 396 species in ''Rhagovelia'', a genus of smaller water striders in the family Veliidae. ''Rhagovelia'' species * '' Rhagovelia abalienata'' Hoberlandt, 1951 * '' Rhagovelia aberrans'' Andersen, 1965 * '' Rhagovelia abra'' Nies ...


References


External links

* Veliidae Gerromorpha genera {{Gerromorpha-stub