Foraging behavior of Gyrinidae in the south of Brazil

(10.9MB, 00:02:20)
Shot Date: 2009/04/10

species
Enhydrus sulcatus (Wiedeman, 1821)

Key Words
Neotropical
aquatic insect
foraging behavior
aggregation
headstreams


Thiago Marinho Alvarenga; Marconi Souza Silva
2017/02/27 submitted



Animalia >Unidentified >Unidentified >Unidentified >Unidentified >Unidentified >

Enhydrus sulcatus is an aquatic Coleptera Gyrinidae, that lives on water surface of the tropical headstreams with preserved in surroundings forests. Until now his distribution is know to southest and south of Brazil. E. sulcatus is black and has fusiform body shape. Individuals possess a gregarious behavior and move on the surface of the water in search of small insects that might fall into the water. In this video is shown on the foraging behavior. The details about this specie see "Marinho-Alvarenga, T.; Silva, F.F.;Silva, M.S.2011. Analysis of morphometry and dimorphism in Enhydrus sulcatus (Wiedeman, 1821) (Coleoptera: Gyrinidae).Neotropical Biology and Conservation, v.6, n.3, p. 178."

(Data No.momo170220es01b)

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