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Pantropical jumping spider

Plexippus paykulli

Description:

Plexippus paykulli is robust, with a high carapace. It is covered with short greyish hairs with sometimes dramatic accents of red in the male. The female is slightly larger than the male, ♀ 10mm ♂ 9mm. 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 to the anterior eyes so 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.

Habitat:

Plexippus paykulli is generally found living in and around man-made structures, in particular inside buildings, although it has also been recorded from citrus groves and cotton fields. 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.

Notes:

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. Prey species that have been recorded as being part of the diet include Diptera, Hemiptera, 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. They are reported as being a predator of mosquitoes in African houses, and of insect pests in India and Bangladesh. They are highly agile and can cover many times their own body length in a single jump. In a building where the only available prey were German cockroaches, Blattella germanica, the spiders not only survived but also bred on this monophagous diet. 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. 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.

1 Species ID Suggestions

Pantropical Jumping Spider
plexippus paykulli (female


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4 Comments

Roy Arun
Roy Arun a year ago

Thanks Ashutosh...

Roy Arun
Roy Arun 4 years ago

Thnk u ForestDragon..

ForestDragon
ForestDragon 4 years ago

Not sure the species but definitely a jumping spider.

Roy Arun
Roy Arun 4 years ago

Id please??????????????

Roy Arun
Spotted by
Roy Arun

West Bengal, India

Lat: 23.66, Long: 87.03

Spotted on Jul 12, 2014
Submitted on Mar 2, 2015

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