GARDEN ORB SPIDER
The Garden Orb Weaving Spiders are a large group of spiders which are distributed throughout Australia, with over 100 known species in Australia. They make sticky, suspended, wheel-shaped orb webs. Their webs can be seen openings between trees and shrubs where insect activity is high.
Garden Orb Weavers
- 2 cm – 3 cm (female), 1.5 cm – 2 cm (male)
- They are a stout, reddish-brown or grey
- They have a leaf-shaped pattern on their bodies
- They have a roughly triangular abdomen
- The have two noticeable humps towards the front
- sometimes have a dorsal stripe which may be white or brown edged with white
- The female life cycle is about 12months
- The female lays her eggs in late summer to autumn.
- The garden orbs eggs are sealed in a fluffy silken cocoon and are attached to foliage
- The spiderlings hatch in Autumn
- The spiderlings float on the breeze using small silk strands which look like balloons
- The spiderlings build their own webs to wait out the winter
- During spring the spiderlings develop quickly
- Adult females usually die in Autumn to early winter
- Males and females are similar in size
- The Garden Orb spider builds large, strong, vertical orb webs
- The construction of the web begins at night and is usually taken down by dawn
- The spider rests head-down in the centre of the web, waiting for prey.
- Wraps its prey in silk, rotating it with its shorter middle legs.
- Once the prey is secure, it bites down and injects venom, then waits for its prey to die
- The spider rests on nearby foliage with its legs drawn under the body during the day
- Orb weavers are not common biters
- If a person is bitten, numbness or swelling may occur
- Dizziness or nausea can also be a side effect to their bite