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Nepidae is a family of exclusively aquatic Heteropteran insects in the order Hemiptera. [1] They are commonly called water scorpions for their superficial resemblance to scorpions, due to their raptorial forelegs and the presence of a long slender process at the posterior end of the abdomen, resembling a tail. [2]
Nepa is a genus belonging to the family Nepidae, known as water scorpions.Species are found in freshwater habitats in the Northern Hemisphere. [2] [3] [4]They are oval-bodied, aquatic insects with raptorial front legs.
Ranatra is a genus of slender predatory insects of the family Nepidae, known as water scorpions or water stick-insects. [1] There are more than 140 Ranatra species found in freshwater habitats around the world, both in warm and temperate regions, with the highest diversity in South America (almost 50 species) and Asia (about 30 species, reviewed in 1972 [2]).
Washing clothes in hot water is also a good idea. 7. Fire ant bites. iStock. ... Scorpion bites. Chris Minihane/Getty Images. Even Scorpios will want to avoid scorpion bites. Dr. Ng recommends ...
What they look like: Chiggers, a type of small mite, typically leave clusters of bites that are often very itchy. In many cases, chigger bites appear as small, red and itchy bumps. Sometimes, they ...
A water scorpion (Nepa cinerea) climbing on leaves of European waterclove (Marsilea quadrifolia) before flying awayIt lives in ponds, small rivers, and stagnant water, and feeds upon aquatic animals, especially insects.
Of more than a thousand known species of scorpion, only a few dozen have venom that is dangerous to humans, [6] most notably the bark scorpions, including: Centruroides spp. Deathstalker (Leiurus quinquestriatus) Central and South American Tityus, include the Brazilian yellow scorpion. Androctonus spp. Parabuthus spp. Hottentotta spp.
Ranatra fusca is a water stick-insect in the family Nepidae, native to North America. It is known by the common name brown water scorpion. [1] [2] It is generally 3.2–4.2 cm (1.3–1.7 in) long. [3] They are carnivorous and feed on other insects and crustaceans. They are most common from spring to autumn.