Subfamily
Ranatrinae
Nepidae is a family of exclusively aquatic Heteropteran insects in the order Hemiptera. They are commonly called waterscorpions 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. There are 14 genera in the family, in two subfamilies, Nepinae and Ranatrinae, and they can be found on all continents except Antarctica. Members of the genus Ranatra, the…
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