Water Boatman (other)
Water boatman as a type of aquatic insect can mean: * ''Corixa punctata'', a species known as the lesser water boatman in the United Kingdom * Corixidae, a family known as water boatmen in the United States and Australia * ''Notonecta glauca'', a species known as the greater water boatman in the United Kingdom (called the backswimmer in the United States) * ''Sigara ''Sigara'' is a genus of water boatmen in the family Corixidae. Some species within this genus are halophiles; for example, occurrences of the genus have been noted in the hypersaline Makgadikgadi Pans in Botswana.C. Michael Hogan (2008''Makgadi ...'', especially '' Sigara arguta,'' known as water boatmen in New Zealand See also * Boatman (other) {{disambiguation Animal common name disambiguation pages ...
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Corixa Punctata
The lesser waterboatman or lesser water boatman (''Corixa punctata'') is a freshwater-dwelling insect of the order Hemiptera. Adults normally range in size from 5 to 15 mm long, and are found in ponds, lakes, swimming pools and most bodies of freshwater. The boatman feeds on algae and dead plant material. They are green with long hind legs which they use to swim on top of water. These powerful legs are covered in tiny hairs which helps them float on the surface of the water. They also have wings which enable them to fly and reach suitable environments. They breathe oxygen by trapping air beneath their wing cases when they are on the surface as the oxygen is trapped by tiny hairs. They use trapped air in their physical gill to convert water-borne sounds into airborne sounds that they can hear. They are similar in appearance to ''Notonecta glauca'', the back swimmer, but lesser waterboatmen are herbivores and swim on their fronts. They are not related to ''Notonecta glauca' ...
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Corixidae
Corixidae is a family of aquatic insects in the order Hemiptera. They are found worldwide in virtually any freshwater habitat and a few species live in saline water. There are about 500 known species worldwide, in 55 genera, including the genus '' Sigara''. Members of the Corixidae are commonly known as lesser water boatmen: the term used in the United Kingdom to distinguish species such as '' Corixa punctata'' from '' Notonecta glauca'', or greater water-boatman, an insect of a different family, Notonectidae. Morphology and ecology Corixidae generally have a long flattened body ranging from long. Many have extremely fine dark brown or black striations marking the wings. They tend to have four long rear legs and two short front ones. The forelegs are covered with hairs and shaped like oars, hence the name "water boatman". Their four hindmost legs have scoop- or oar-shaped tarsi to aid swimming. They also have a triangular head with short, triangular mouthparts. Corixidae dwel ...
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Notonecta Glauca
''Notonecta glauca'', also known as the greater water-boatman or common backswimmer, is a species of aquatic insect in the family Notonectidae. This species is found in large parts of Europe, North Africa, and east through Asia to Siberia and China. In much of its range it is the most common backswimmer species. It is also the most widespread and abundant of the four British water-boatmen. ''Notonecta glauca'' are ''Hemiptera'' (true bug) predators, that are approximately 13–16 mm in length. Females have a larger body size compared to males. These water insects swim and rest on their back (hence their common name "backswimmer" or "water boatman") and are found under the water surface. ''Notonecta glauca'' supports itself under the water surface by using their front legs and mid legs and the back end of its abdomen and rest them on the water surface; They are able to stay under the water surface by water tension, also known as the air-water interface (surface tension). They u ...
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Sigara
''Sigara'' is a genus of water boatmen in the family Corixidae. Some species within this genus are halophiles; for example, occurrences of the genus have been noted in the hypersaline Makgadikgadi Pans in Botswana.C. Michael Hogan (2008''Makgadikgadi'', The Megalithic Portal, ed. Andy Burnham/ref> Species These 100 species belong to the genus ''Sigara'': * '' Sigara alluaudi'' (Kirkaldy, 1899) * '' Sigara alternata'' (Say, 1825) * '' Sigara arguta'' * '' Sigara assimilis'' (Fieber, 1848) * ''Sigara atomaria'' Illiger, 1807 * '' Sigara basalis'' (A.Costa, 1843) * '' Sigara bellula'' (Horváth, 1879) * '' Sigara berneri'' Hungerford and Hussey, 1957 * '' Sigara bicoloripennis'' (Walley, 1936) * '' Sigara bradleyi'' (Abbott, 1913) * ''Sigara compressoidea'' (Hungerford, 1928) * '' Sigara conocephala'' (Hungerford, 1926) * ''Sigara cubiensis'' Hungerford, 1948 * ''Sigara daghestanica'' Jansson, 1983 * ''Sigara decorata'' (Abbott, 1916) * ''Sigara decoratella'' (Hungerford, 1926) * ' ...
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Sigara Arguta
''Sigara arguta'' is a species of water boatman in the family Corixidae. It is endemic to New Zealand. Taxonomy This species was first described as ''Corixa arguta'' in 1878 by Francis Buchanan White. It was most recently revised in 1948, in which it was moved to the ''Sigara'' genus.Larivière, M.-C., & Larochelle, A. (2004)Heteroptera (Insecta: Hemiptera): catalogue ''Fauna of New Zealand'', ''50''. https://doi.org/10.7931/J2/FNZ.50 Description Water boatman are stubby insects approximately in length. They have a distinctive marble pattern on their wing cases and long legs which assist their movement through the water. Their abdominal hairs are able to capture small air bubbles used to keep them afloat and these can often be seen upon close observation. They swim with their "belly" facing downwards, unlike other common swimming insects. ''S. arguta'' mouth parts are covered by a beak-like triangular labium. ''S. arguta'' use their forelegs to scoop up algae and detritu ...
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Boatman (other)
Boatman or boatmen may refer to: * Boatman (surname) * Boatman, Oklahoma * Boatman, Queensland, a locality in the Shire of Murweh * Boatmen's Bancshares * Lesser water boatman, a water-dwelling insect * Water boatman (other), various species of insect * Toronto Argonauts The Toronto Argonauts (officially the Toronto Argonaut Football Club and colloquially known as the Argos) are a professional Canadian football team based in Toronto, Ontario. The Argonauts compete in the East Division (CFL), East Division of t ...