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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]
The Middle East and North Africa are home to the deadliest scorpions, belonging to the genera Buthus, Leiurus, Androctonus, and Hottentotta. In South America, the deadliest scorpion belongs to genus Tityus. In India and Mexico, the deadliest scorpions involved in scorpionism are Mesobuthus and Centruroides, respectively. [7]
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.
A venomous spider bite (like this brown recluse bite) can cause a red or purplish rash radiating from the site of the bite. There are only a few species of spiders in the U.S. that can bite humans.
Deadliest animals as of 2016 [1]. This is a list of the deadliest animals to humans worldwide, measured by the number of humans killed per year. Different lists have varying criteria and definitions, so lists from different sources disagree and can be contentious.
Scorpions are resistant to ionizing radiation, surviving nuclear tests in Algeria [73] and Nevada. [74] Desert scorpions have several adaptations for water conservation. They excrete insoluble compounds such as xanthine, guanine, and uric acid, not requiring water for their removal from the body. Guanine is the main component and maximizes the ...
In PEOPLE's exclusive sneak peek of National Geographic's latest series, David Blaine Do Not Attempt, the famed magician, 51, pushes the boundaries of what was thought possible in a new thrill ...
And while it’s true there were and are shark species in the Mediterranean sea, none liked “to bite humans, and in fact, they probably didn't because they were small.”