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Jumping spiders are a group of spiders that constitute the family Salticidae. As of 2019 [update] , this family contained over 600 described genera and over 6,000 described species , [ 1 ] making it the largest family of spiders – comprising 13% of spider species. [ 2 ]
Adult male P. regius measure 12 mm (0.47 in) long on average, but can range between 6–18 mm (0.24–0.71 in) long. The first pair of legs, which are disproportionately larger in large males, have an alternating black and white fringe.
Phidippus audax are commonly referred to as "bold jumping spiders" or "bold jumpers". [8] The species name, audax, is a Latin adjective meaning "audacious" or "bold". [8] This name was first used to describe the species by French arachnologist Nicholas Marcellus Hentz, who described the spider as being, "very bold, often jumping on the hand which threatens it". [9]
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.
Portia schultzi is a species of jumping spider which ranges from South Africa in the south to Kenya in the north, and also is found in West Africa and Madagascar.In this species, which is slightly smaller than some other species of the genus Portia, the bodies of females are 5 to 7 mm (0.20 to 0.28 in) long, while those of males are 4 to 6 mm (0.16 to 0.24 in) long.
A spider that wins fight after fight gets the status of "first king". A common belief is that the darkest males are most aggressive. [2] In a laboratory setting, males were kept in small containers (9 cm diameter, 6.5 cm high) and provided with moist leaves for retreat building, moist cotton and three adult Drosophila melanogaster three times a ...
If there is a fly within 15 cm of the front of the spider, the spider becomes alert. In the first stage, the legs and abdomen are shifted and straightened. The hind legs then become drawn in and the spider begins to slowly move towards the prey. Once the spider is 3–4 cm from its prey, it leaps and pierces the prey with its fangs.
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