Phidippus regius, known commonly as theregal jumping spider, is a species ofjumping spiderin easternNorth America. Adult males range from 6 to 18 mm (0.24–0.71 in) in body length and average 12 mm (0.47 in). Females range from 7 to 22 mm (0.28–0.87 in) and average 15 mm (0.59 in).P. octopunctatusfrom western North America reaches a larger size.
Males and females are easily differentiated. The males are always black with a pattern of white spots and stripes. Females often bear similar patterns to the males, but range in color from shades of gray to a vivid orange.
photo by Jenn Rose
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