| Aquarius | |
|---|---|
| |
| Aquarius najas | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Hemiptera |
| Suborder: | Heteroptera |
| Infraorder: | Gerromorpha |
| Superfamily: | Gerroidea |
| Family: | Gerridae |
| Subfamily: | Gerrinae |
| Genus: | Aquarius Schellenberg, 1800 |
Aquarius is a genus of water striders found predominantly in the northern hemisphere. Formerly a subgenus, Aquarius was elevated to generic rank in 1990 on the basis of phylogenetic analysis. These are among the world's largest water striders, with females averaging 12–17 mm (0.47–0.67 in) long and males roughly 10–30% smaller, depending on the exact species. An outlier is A. elongatus where both sexes typically are about 24 mm (0.94 in), roughly the same as certain Cylindrostethus, and second only to Gigantometra gigas.
Species
There are 17 species in the genus Aquarius:
- Aquarius adelaidis (Dohrn, 1860)
- Aquarius amplus (Drake & Harris, 1938)
- Aquarius antigone (Kirkaldy, 1899)
- Aquarius chilensis (Berg, 1881)
- Aquarius cinereus (Puton, 1869)
- Aquarius conformis (Uhler, 1878)
- Aquarius distanti (Horváth, 1899)
- Aquarius elongatus (Uhler, 1896)
- Aquarius fabricii Andersen, 1990
- Aquarius lili D.A. Polhemus & J.T. Polhemus, 1994
- Aquarius najas (De Geer, 1773)
- Aquarius nebularis (Drake & Hottes, 1925)
- Aquarius paludum (Fabricius, 1794)
- Aquarius philippinensis Zettel & Ruiz, 2003
- Aquarius remigis (Say, 1832)
- Aquarius remigoides Gallant & Fairbairn, 1996
- Aquarius ventralis (Fieber, 1861)
References
- Andersen, Nils Møller (1990). "Phylogeny and taxonomy of water striders, genus Aquarius Schellenberg (Insecta, Hemiptera, Gerridae)., with a new species from Australia". Steenstrupia. 16 (4): 37–81.
- Gallant, Sharon L.; Fairbairn, Daphne J. (1996). "A New Species of Aquarius from the Southeastern United States, with Electrophoretic Analysis of the Clade Containing Gerris, Limnoporus, and Aquarius (Hemiptera: Gerridae)". Annals of the Entomological Society of America. 89 (5): 637–644. doi:10.1093/aesa/89.5.637.
- Andersen, N.M. (1997). "A phylogenetic analysis of the evolution of sexual dimorphism and mating systems in water striders (Hemiptera: Gerridae)". Biological Journal of the Linnean Society. 61 (3): 345–368. doi:10.1006/bijl.1996.0130.
- Damgaard, Jakob; Moreira, Felipe Ferraz Figuiredo; Weir, Tom A.; Zettel, Herbert (2014). "Molecular phylogeny of the pond skaters (Gerrinae), discussion of the fossil record and a checklist of species assigned to the subfamily (Hemiptera: Heteroptera: Gerridae)". Insect Systematics & Evolution. 45 (3): 251–281. doi:10.1163/1876312X-44042105.
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