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St Andrew's Cross Spider (Argiope keyserlingi) - Wiki latin dict size=26   common dict size=512
Image Info Original File Name: St Andrew\'s Cross Spider (Argiope keyserlingi).jpg Resolution: 1000x1200 File Size: 314732 Bytes Date: 2004:03:21 15:57:01 Camera: Canon PowerShot A70 (Canon) F number: f/2.8 Exposure: 1/125 sec Focal Length: 173/32 Upload Time: 2007:09:01 15:01:24
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Subject St Andrew's Cross Spider (Argiope keyserlingi) - Wiki

St Andrew's Cross Spider (Argiope keyserlingi) - Wiki; Image ONLY
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St Andrew's Cross Spider (Argiope keyserlingi) - Wiki

Argiope keyserlingi
From Wikipedia, the free encyclopedia

[Photo] St Andrew's Cross Spider (Argiope keyserlingi) from Queensland. Argiope Keyserlingi - St Andrew's Cross spider. Date 21/3/2004. Author Amos T Fairchild

Argiope keyserlingi is a common species of orb-web spider found on the east coast of Australia, from central New South Wales to southern Queensland. It is very similar in appearance to the closely related north Queensland species, Argiope aetherea. A. keyserlingi is commonly found in large populations in suburban parks and gardens, particularly amongst the leaves of Lomadra longifolia. Like many species of orb-web spider, A. keyserlingi shows considerable sexual size dimorphism, with the females being many times larger than the males. Mature females can be seen during the summer months and it is not uncommon to see multiple males on the web of one female.

This spider is commonly known as the St Andrew's Cross spider, due to the construction of bands of silk forming the arms of a cross. Termed web decorations or stabilimenta, these bands a thought to increase prey capture in this species, however, in other species they have been found to protect the spider against predators.

A. keyserlingi is an important model species in studies of spider ecology and behaviour. Using this species scientists have investigated sperm competition, sexual size dimorphism, cryptic female choice, the role of pheromones in mating behaviour and the function and evolution of web decorations.

Name
The species is probably named in honor of arachnologist Eugen von Keyserling. The spider is also commonly called the Crucifix spider.

http://en.wikipedia.org/wiki/Argiope_keyserlingi
The text in this page is based on the copyrighted Wikipedia article shown in above URL. It is used under the GNU Free Documentation License. You may redistribute it, verbatim or modified, providing that you comply with the terms of the GFDL.

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