Regal Jumping Spider - "Little Mr. Tuffet" quite comfortable on grape leaves in my garden June 15, 2008


La Mirada, United States

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Artist's Description

Except for two pantropical species (Edwards 1979), the jumping spider most frequently encountered in Florida is Phidippus regius C.L. Koch. This species is aptly named in terms of its size, as it is the largest jumping spider in eastern North America. The species is found in the southeastern U.S., the Greater Antilles, and the Bahamas, but is most common in peninsular Florida.
Abbreviated Synonymy
Phidippus regius C.L. Koch, 1846
Salticus sagraeus Lucas, 1857
Attus miniatus Peckham & Peckham, 1883
Phidippus tullgreni Wallace, 1950

Adult males of P. regius average 12 mm in length (range 6 to 18 mm). Males are always black with alternating black and white fringes on the first pair of legs; on the dorsum of the abdomen are a white basal band, a central triangular white spot, and a pair of oval white spots posteriorly. The paired chelicerae are enlarged and iridescent (green-blue-violet); each has a subdistal tubercle on its anterior face. The first legs of larger males are disproportionately longer than smaller males, a type of allometry.
adult male

Adult females average 15 mm in length (range 7 to 22 mm). Females may have the same color pattern as males, but usually females have the black dorsal areas of the body covered with colored scales. These scales may be gray, tan, brown, orange, or combinations of any or all of the above colors. Those females that are completely covered with orange scales are particularly attractive. Most of the more colorful females are found in the southern two-thirds of Florida and in the Greater Antilles. Cheliceral color is iridescent (either green or red- violet), but less noticeable than in males because the chelicerae are usually covered by the palpi, small leg-like appendages which are densely covered with long white setae. The cheliceral tubercles are absent. Leg-fringes are present, but not as distinct as in males. Females also have four tufts of setae in the region of the dorsal eyes; males lack these tufts

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