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Jumping Spider

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Jumping Spider


Jumping Spider is one of the most common spiders in the United States.Jumping spiders have large eyes and a chunky, fuzzy body.They are very active hunters. Their excellent eyesight is used for stalking prey.


These spiders are small to medium in size, with stout bodies and short legs. The group has a distinctive eye pattern, composed of 3 or 4 pairs, with the largest pair in the center. The body is rather hairy and if often brightly colored or iridescent. Jumping spiders are not poisonous, though as with all spiders, bites may cause reactions in certain individual.


Jumping spiders forage for their prey in the daytime and may be seen on windows, walls, or other areas where insect prey may be drawn to. They approach a prey slowly and, when close, make a sudden leap upon it. Before jumping they attach a silken thread or safety line which is used to climb back if they miss their target.


Life Cycle :Juveniles may make their nests in the tops of herbs or in rolled leaves, while subadults and adults frequently make their nests along the inner mid-veins of palm fronds. Adult males often cohabit with subadult and occasionally adult females in order to mate. A cohabiting male will mate with a subadult female soon after she matures. were able to employ a tactile type of courtship to females inside nests, which was much different than the visually-oriented courtship males employed for females outside nests.


Harvestman spider

Jumping Spider Female

Females make thick silken nests under the bark of various trees, particularly oak and pine, in which to lay their eggs. Cracks and spaces in old houses and barns also provide suitable shelter for nests of egg-laying females. Females lay up to four batches of eggs; the 1st batch averages 183 eggs, the number of eggs declining with each successive batch. Assuming a female laid four batches of eggs, the average total of all batches was 402 eggs, but the maximum egg production was calculated at 715 eggs. Even this total might underestimate the maximum reproductive potential of a large female to lay a single eggsac with 570 eggs.


Jumping Spider individuals are known to feed on a wide variety of other arthropods. Smaller immatures feed heavily on Diptera, while older juveniles and adults feed on large Orthoptera and Hemiptera, and larval and adult Lepidoptera . A male of P. regius was collected while feeding on an adult of Diaprepes abbreviatus , a pest of citrus and sugarcane.


jumping spider-eggs

jumping spider with Eggs

Bites: The bite from a redback jumping spider isn't fatal. The bite results in swelling and pain at the bite site. The pain and swelling usually lasts for several days. Some people experience other symptoms as well from a red back jumping spider bite. The spider belongs to the Salticidae family.The jumping spiders is not considered as dangerous as many other spiders since its venom is not as toxic as for instance the venom of black widows. Bacterial infections around the site of a wound should however be avoided at all costs.



Control:One key feature of spider control is to reduce the available food source. Adequate insect control through proper sanitation, maintenance and insecticide use will help prevent spiders from becoming established. Lowering the relative humidity in the area where cellar spiders are found may help eliminate them because lower humidity will deter insects from entering the building. Humidity can be controlled in many ways such as a dehumidifier or through proper ventilation


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