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A water beetle is a generalized name for any beetle that is adapted to living in water at any point in its life cycle. Most water beetles can only live in fresh water, with a few marine species that live in the intertidal zone or littoral zone. There are approximately 2000 species of true water beetles native to lands throughout the world. [1 ...
The adults of these beetles are generally oval in shape, with a very convex upperside, and are generally 1.5–5.0 mm (0.059–0.197 in) long. They are generally yellowish to light brown in color, frequently with light and dark patterns dotted with 10 or more rows of punctures on the elytra .
Hydrophilidae, also known colloquially as water scavenger beetles, is a family of beetles. [ 1 ] [ 2 ] Aquatic hydrophilids are notable for their long maxillary palps, which are longer than their antennae . [ 3 ]
Bifurcitus ducalis, formerly Megadytes ducalis, is a species of water beetle in the family Dytiscidae.It is the largest species in the family. [2] Until recently, the species was only known from a single specimen that was collected in the 19th century from Brazil, [3] but more specimens, also collected in the 19th century from Brazil, were discovered in 2019. [4]
Hydrophiloidea, known as water scavenger beetles, is a superfamily of beetles. Until recently it included only a single family, the Hydrophilidae (water scavenger beetles), but several of the subfamilies have been removed and raised to family rank. [1] Hydrophiliidae remains by far the largest member of the group, with nearly 3,000 described ...
As they swim, diving beetles further streamline their bodies by tucking their four former legs into well-fitting grooves. [9] Like other water beetles, adult Dytiscidae get their oxygen while swimming by storing air in a space between their elytra and abdomen. At the same time, they can also diffuse dissolved oxygen from the water. The former ...
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Hydrophilus triangularis, known generally as the giant black water beetle or giant water scavenger, is a species of water scavenger beetle in the family Hydrophilidae. [1] [2] [3] It is the most common and widespread species of Hydrophilus in North America, being found across the contiguous United States, southern Canada, and Mexico.