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The family Corydalidae contains the megalopterous insects known as dobsonflies and fishflies. Making up about three dozen genera , [ 1 ] they occur primarily throughout North America , both temperate and tropical, South America , Australia , New Zealand , Africa (particularly South Africa ) and Asia .
Adult dobsonflies are some of the largest non-Lepidopteran insects of temperate zones such as the United States and Canada, with a wingspan of up to 18 cm (7.1 in) in some species of Corydalus. [3] The Asian Acanthacorydalis fruhstorferi can have a wingspan of up to 21.6 cm (8.5 in), making it the largest dobsonfly and the largest aquatic ...
Pholcus phalangioides, commonly known as the cosmopolitan cellar spider, long-bodied cellar spider, or one of various types called a daddy long-legs spider, is a spider of the family Pholcidae. It was first described in 1775 by the Swiss entomologist Johann Kaspar Füssli (his surname is also spelt Fuesslin) as Aranea phalangoides .
“This is one of the few species of spider that can be dangerous to people,” says Potzler. “There are approximately 2,200 bites reported each year, but there has not been a death related to a ...
There are only a few species of spiders in the U.S. that can bite humans. “The truth is that most spiders are too small to bite us, including those adorable jumping spiders,” Jody Gangloff ...
Two venomous spiders, black widows and brown recluse spiders, can cause severe symptoms, experts say. Here are spider bite pictures and tips to identify them.
They have flattened heads and bodies, and are distinguished by a heavy armour of osteoderms and large, rectangular, scales, arranged in regular rows around the body and tail. Many species have rings of spines on the tail, that aid in wedging the animal into sheltering crevices, and also in dissuading predators.
(Spiders, bed bugs, and fleas don’t hibernate in the winter, sadly.) There are ways to deter the critters from coming your way, especially if you use insect repellent or bug spray, but there’s ...