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Very few jumping spider fossils have been found. Of those known, all are from Cenozoic era amber. The oldest fossils are from Baltic amber dating to the Eocene epoch, specifically, 54 to 42 million years ago. Other fossil jumping spiders have been preserved within Chiapas amber and Dominican amber. [54]
Portia fimbriata, sometimes called the fringed jumping spider, [2] is a jumping spider (family Salticidae) found in Australia and Southeast Asia. Adult females have bodies 6.8 to 10.5 millimetres long, while those of adult males are 5.2 to 6.5 millimetres long. [ 3 ]
Most of the time they feed on prey about half their own size, but a range from 2 millimetres (0.079 in) to about 1 centimetre (0.39 in) has been observed. Although found to feed on a wide variety of insects (e.g., flies , bugs and moth caterpillars and adults), they also prey heavily on spiders.
Female Zygoballus rufipes jumping spider from Laurens County, South Carolina. Spiders of the genus Zygoballus share a strong resemblance in appearance. [9] The cephalothorax is high and roughly square when viewed from above. [10] It is widest at the posterior eyes, with the ocular quadrangle occupying approximately three-fifths of the ...
Euophrys omnisuperstes, the Himalayan jumping spider, is a small jumping spider that lives at elevations of up to 6,700 m (22,000 ft) in the Himalayas, including Mount Everest, making it a candidate for the highest known permanent resident on Earth.
“The Joro spider is known for its large size compared to other U.S. spider species,” Fredericks says. Female Joro spiders can be up to 4 inches, including the legs.
Thiratoscirtus minimus is a species of jumping spider, a member of the family Salticidae, that was first described by the arachnologists Angelika Dawidowicz and Wanda Wesołowska in 2016. [1] One of over 500 different species identified by Wesołowska in her career, it is named with a Latin word that means "tiny" and relates to the small size ...
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