Hydrophilus ensifer is a species of water scavenger beetle in the family Hydrophilidae found in the Americas.[1] As of 2020, there are two valid subspecies of H. ensifer, H. e. ensifer and H. e. duvali,[2] however the differences among the subspecies are not well understood.[3]

Hydrophilus ensifer
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Hydrophilidae
Genus: Hydrophilus
Species:
H. ensifer
Binomial name
Hydrophilus ensifer
Brullé, 1837
Synonyms

Hydrophilus ater Olivier

Description

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The genus Hydrophilus are among the largest aquatic insects.[4] Adult H. ensifer typically reach lengths of 30–37 mm, although many are often less than 32 mm long.[4][5]

Distribution

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Hydrophilus ensifer is found from Argentina northwards throughout most of South America, through Central America north into central Mexico, and throughout the Caribbean.[5][4] Hydrophilus ensifer reaches as far north as South Florida in the United States.[3]

References

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  1. ^ Hansen, Michael (1999). World Catalogue of Insects. Volme 2. Hydrophiloidea (s. str.) (Coleoptera). Stenstrup, Denmark: Apollo Books. p. 416.
  2. ^ a b Pintar, Matthew R.; Keller, Jay L. (2020). "First record of Hydrophilus ensifer Brullé (Coleoptera: Hydrophilidae) in the continental United States" (PDF). The Coleopterists Bulletin. 74 (4): 696–698. doi:10.1649/0010-065X-74.4.696.
  3. ^ a b c Short, A. E. Z.; McIntosh, C. E. (2014). "Review of the giant water scavenger beetle genus Hydrophilus Geoffroy (Coleoptera: Hydrophilidae) of the United States and Canada". The Coleopterists Bulletin. 68 (2): 187–198. doi:10.1649/0010-065X-68.2.187.
  4. ^ a b Arce-Pérez, Roberto; Morón, Miguel Ángel (2013). "El género Hydrophilus (Coleoptera: Hydrophilidae: Hydrophilina) en México y Centroamérica". Revista Mexicana de Biodiversidad (in Spanish). 84: 140–152. doi:10.7550/rmb.32113.