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jumping spider with web/egg sac

Description:

This is a jumping spider in its reproductive web. "Like all true spiders, the jumping spiders do create silk, but not for web making. Instead, they use the silk to line their places of refuge to make them more comfortable, they use the silk to create a covering for their cluster of eggs, and they also commonly string a line of silk behind them as they roam about on walls or patios. It is thought that this line of silk serves as a "drag-line" enabling the spider to stop its fall should it fall or leap off a surface. It then could pull its way back up the line of silk to return [to their original position, to make another attempt on a prey item or] to avoid falling all the way to the ground below, where various unknown dangers could be lurking." ( http://buginfo.com/article.cfm?id=92 ) "The jumping spider family (Salticidae) contains more than 500 described genera and about 5,000 described species, making it the largest family of spiders with about 13% of all species. Jumping spiders have some of the best vision among invertebrates and use it in courtship, hunting, and navigation. Though they normally move quietly and fairly slowly, most species are capable of very agile jumps, notably when hunting, but sometimes in response to sudden threats. Both their book lungs and the tracheal system are well-developed, and they use both systems (bimodal breathing). Jumping spiders are generally recognized by their eye pattern. All jumping spiders have four pairs of eyes with particularly large anterior median eyes." ( http://en.wikipedia.org/wiki/Jumping_spi... )

Habitat:

Observed on Pandanus amaryllifolius in a large semi-urban yard & garden next to a disturbed patch of remnant lowland forest.

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14 Comments

Scott Frazier
Scott Frazier 8 years ago

Thank you, Leonardo!

Leonardo Castro
Leonardo Castro 8 years ago

Very interesting information and photo. Thanks for sharing!

Scott Frazier
Scott Frazier 9 years ago

Thanks very much, Mayra!

MayraSpringmann
MayraSpringmann 9 years ago

Fantastic capture!!!

Scott Frazier
Scott Frazier 9 years ago

Thank you Jolly, Smith'sZoo, & Sergio! I had to wait about 3-4 minutes each time she got scared and retreated inside. She lost the staring contests ;-)

Sergio Monteiro
Sergio Monteiro 9 years ago

Excellent, Scott. I've seen more than a dozen different species of jumpies in my area, and I never saw a tent built with silk, only. Spiders here usually use the silk for joining two leaves, creating a more solid cover. Congratulations.

Smith'sZoo
Smith'sZoo 9 years ago

Brilliant! did you wait long for jumper to peep out?

Jolly Ibañez
Jolly Ibañez 9 years ago

Extraordinary series. Beautiful spotting.

Scott Frazier
Scott Frazier 9 years ago

Thanks Atul & TKBotting!

TKBotting
TKBotting 9 years ago

She's amazing.

Atul
Atul 9 years ago

lovely Spot !

Scott Frazier
Scott Frazier 9 years ago

Thanks Sumukha & Maria!

Maria dB
Maria dB 9 years ago

This series of the spider with its web is very cool!

Sumukha Javagal
Sumukha Javagal 9 years ago

Wonderful spotting Scott..! His tent is so cool....!!!!

Scott Frazier
Spotted by
Scott Frazier

Indonesia

Spotted on Aug 20, 2012
Submitted on Aug 20, 2012

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