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Pantropical Jumping Spider (Female)

Plexippus paykulli

Description:

Plexippus paykulli is a jumping spider in the family Salticidae. It is native to south east Asia but has spread to other parts of the world. In the United States it is called the pantropical jumping spider. It is usually associated with buildings[2] and may be found near light sources catching insects attracted by the light.[3] Spiders in this species are robust, with a high carapace, and are covered with short greyish hairs. They are about ten millimetres long, the female being slightly larger than the male. The sexes are easy to tell apart as the males have a black carapace and abdomen with a broad white central stripe, another broad white stripe on either side and a pair of white spots near the posterior end of the abdomen. The stripe continues between the anterior eyes so that the face appears to have three white stripes on a black background. The female is brownish grey, the carapace being darker especially around the eyes, with a broad tan stripe that extends onto the abdomen where it breaks into two chevrons. There are two white spots on either side of the posterior end of the abdomen. Immature spiders resemble the females.[2]

Habitat:

Plexippus paykulli is generally found living in and around man-made structures, in particular inside buildings,[5] although it has also been recorded from citrus groves[7] and cotton fields.[8] The female creates an eggsac about three centimetres in diameter in a concealed location under floorboards, in a crack or under the eaves. In this a lens-shaped silken case is made into which 35 to 60 eggs are deposited. The female guards these until the spiderlings emerge and disperse some three to four weeks later.[2] This spider does not spin a web but builds a silken retreat in an elevated position such as the edge of the ceiling from which it makes hunting forays. It has very acute eyesight and approaches its target prey stealthily, leaping on it when close enough to do so. Prey species that have been recorded as being part of the diet include Diptera, Homoptera, Hymenoptera, Lepidoptera, Odonata, Orthoptera and Aranea. In one study, these spiders hunted and consumed individuals of sixteen species of arthropods from fourteen families and six orders.[9] They are reported as being a predator of mosquitoes in African houses,[10] and of insect pests in India[11] and Bangladesh.[12] They are highly agile and can cover many times their own body length in a single jump.[13] In a building where the only available prey were German cockroaches, Blatella germanica, the spiders not only survived but also bred on this monophagous diet.[6] They are able to successfully kill prey twice their own size. Large arthropods are injected with venom but are usually overpowered by brute strength before the venom has immobilized them. There have been records of the prey flying, jumping or running away with the spider clinging to it until the victim was eventually overpowered.[9] A study investigated the way in which these spiders stalked their prey. It was found that a mobile prey like a fly was stalked in a different manner to an immobile one such as a maggot. On a camouflaged background, the spider approached with greater stealth and jumped from a shorter distance to attack a mobile prey. This gave the spider a greater likelihood of a successful outcome without prior detection.[14]


1 species ID suggestions

Pantropical Jumping Spider
Plexippus paykulli

3 Comments

Jolly Ibañez
Jolly Ibañez 2 years ago

It's ok. We are here to help each other. Thanks for your suggestion.

LD50 Photography
LD50 Photography 2 years ago

I'm sorry I'll do that. I'm new here!

Jolly Ibañez
Jolly Ibañez 2 years ago

LD50, why don't you put your suggestion on the suggest ID spot so you could have a point and later earn a patch for helping ID.

Zamboanga City, Philippines

Lat: 6.91, Long: 122.07

Spotted on Jul 19, 2012
Submitted on Jul 19, 2012

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