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Water spider: Difference between revisions
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[[File:example.jpg|thumb|150px|left|Description]] | [[File:example.jpg|thumb|150px|left|Description]] | ||
The water spider's body is greatly adapted to the water. Fine setae lines the opisthosoma which is used as an aquatic | The water spider's body is greatly adapted to the water. Fine setae lines the opisthosoma which is used as an aquatic | ||
lung thats allows the spider to breathe under water by the setae trapping an air bubble against the spider's body and connected to the tracheal spiracles. The oxygen in the water surrounding the air-bell is diffused which can be exchanged in the tracheal system the normal way. Oxygen and Carbon dioxide can be increased and decreased so that the air bubble replenishes it's air | lung thats allows the spider to breathe under water by the setae trapping an air bubble against the spider's body and connected to the tracheal spiracles. The oxygen in the water surrounding the air-bell is diffused which can be exchanged in the tracheal system the normal way. Oxygen and Carbon dioxide can be increased and decreased so that the air bubble replenishes it's air[[http://www.americanarachnology.org/JoA_Congress/JoA_v30_n2/arac-30-02-189.pdf 2]]. The female water spiders can grow to 8mm all the way to 15mm, the male can grow up to 9mm to 12mm. Although the female has a greater range, the male tends to be bigger to some degree than the females in most cases[[http://www.the-piedpiper.co.uk/th11f(5).htm 3]]. | ||
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== Reproduction == | == Reproduction == | ||
The male will come along beside the female's air-bell that they have made for themselves and form another air-bell. The male then bites through the two bubbles and mates with the female. After the female lays her eggs, she wraps the eggs in a cocoon. The young spiders hatch within a few weeks[[http://www.arkive.org/water-spider/argyroneta-aquatica/info.html#reference_1 1]] | The male will come along beside the female's air-bell that they have made for themselves and form another air-bell. The male then bites through the two bubbles and mates with the female. After the female lays her eggs in late spring or summer, she wraps the eggs in a white, silky cocoon at the top of the bell. The young spiders hatch within a few weeks, if the eggs are laid in late summer, the male seals the retreat with thicker silk[[http://www.arkive.org/water-spider/argyroneta-aquatica/info.html#reference_1 1]][[http://www.the-piedpiper.co.uk/th11f(5).htm 3]]. | ||
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* [http://www.arkive.org/water-spider/argyroneta-aquatica/info.html#reference_1 ARKive] D.Schutz, Dr Peter Merrett, 2003. | * [http://www.arkive.org/water-spider/argyroneta-aquatica/info.html#reference_1 ARKive] D.Schutz, Dr Peter Merrett, 2003. | ||
* [http://www.americanarachnology.org/JoA_Congress/JoA_v30_n2/arac-30-02-189.pdf American Arachnology] Paul A. Selden, University of Manchester, 2002. | * [http://www.americanarachnology.org/JoA_Congress/JoA_v30_n2/arac-30-02-189.pdf American Arachnology] Paul A. Selden, University of Manchester, 2002. | ||
* [http://www. | * [http://www.the-piedpiper.co.uk/th11f(5).htm the-piedpiper.co] Stuart M. Bennett, Stuart M. Bennett, 2001. | ||
== External links == | == External links == | ||
