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Spider Photos - Orbweaver (2010) |
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Here's some photos of those
common Garden spiders from the Orb Weaving family. My
apologies if there are some Araneus on pages where they don't belong but
they are very hard to classify. Try this page for a species guide:
http://bugguide.net/node/view/1972/bgpage
Orb weavers (Araneidae) are
often brightly coloured with
rounded abdomens, some with
peculiarly angled humps or
spines. However, there is
considerable variation in size,
colour and shape in this group.
They are often recognized for
building beautiful, large, round
webs, on which they rest, head
downward, waiting for prey.
The webs consist of a number
of radiating threads crossed by
two spirals. The inner spiral
begins in the centre, winds
outward, and is made of smooth
threads like the radiating
threads. It covers only the
central 1/3 of the web. The outer spiral begins at the edges
and winds inward. It is made of more elastic, sticky threads, coated with a liquid substance.
One of the largest and most commonly encountered members of this group is Argiope aurantia, the yellow garden spider
and we have photos of them on their own page.
Garden Orb Weavers are NOT dangerous (but can bite as can most
spiders) and rid your garden of many unwanted insects. They only
live for one season and die off as Winter approaches, leaving their
egg sacs behind to hatch out next Spring. Please select a section below. Here's a short video (3Mb) sent in by
Aaron Knapp.
Click here.
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ORB
WEAVERS/GARDEN SPIDERS |
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Orb weavers (Araneidae) are
often brightly coloured with
rounded abdomens, some with
peculiarly angled humps or
spines. However, there is
considerable variation in size,
colour and shape in this group.
They are often recognized for
building beautiful, large, round
webs, on which they rest, head
downward, waiting for prey.
The webs consist of a number
of radiating threads crossed by
two spirals. The inner spiral
begins in the centre, winds
outward, and is made of smooth
threads like the radiating
threads. It covers only the
central 1/3 of the web. The outer spiral begins at the edges
and winds inward. It is made of more elastic, sticky threads, coated with a liquid substance.
One of the largest and most commonly encountered members of this group is Argiope aurantia, the
black and yellow garden spider
and we have photos of them and other argiopes on their own page.
Please select a section below.
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GARDEN ORB
WEAVERS
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Unspecified |
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Reply: These are all garden orb weavers. The ones
with the smaller abdomen are males. If the first 2 were near the
other photo of a giant lichen orb weaver then it could be a male of
the same species - glen
1 March, 2010:
Hi Glen,
While in Canada (Nova Scotia) I took these spider pictures. I was hoping that you might be able to help me identify them.
First two 8472 and 8480 are of the same spider. It was quite a large spider. Found it outside dangling on a silk thread.
Next one 8715 was under a leaf in the garden.
8757a and 8758 are of the same spider. It was quite high up between the wires (orb web – large spider – some sort of orb weaver)
8810 was a large round bodied spider (orb web below not in picture), thought it could be a marbled orb weaver.
8891 another orb weaver of some sort, on the small side found it out in the woods. What do you think?
Thanks,
Tracy |
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7 February, 2010:
What kind of spiders are these, Glen? Hope you can use these pics for your website.
MC
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