Some species are very large reaching over 160mm in leg span.Come in a variety of colours and patterns but are mostly brown, black and grey (there are over 100 species of Huntsman spiders in Australia).Symptoms are usually negligible or mid local pain, numbness and swelling. Orb Weavers are reluctant to bite humans.Flying insects such as flies, beetles and bugs (including large prey like cicadas) are common prey.Hides on foliage during day and constructs web at night.Make suspended, sticky, wheel – shaped orb webs.They mature in summer, mate, lay their eggs, and die in late summer-autumn. The lifespan is about twelve is about twelve months.During autumn, the spiderlings disperse by ballooning (floating on the breeze using small silk strands as “balloons”), and build their own tiny orb webs among vegetation.The eggs are encased in a fluffy cocoon and attached to foliage. The female Orb Weaver lays her eggs in late summer to autumn.Life cycle and habits of the Garden Orb-Weaving Spider (Garden Orb Weavers) Lifecycle Most are stout, reddish – brown or grey spiders with a leaf shaped pattern on their triangular abdomens. The commonly seen Garden Orb Weavers are 1-2.5cm in length.The female spider never leaves her web unless forced to, but keeps on repairing it – old webs can look grey and woolly from the constant additions of silk.Commonly also found in urban areas, Black House Spiders also build webs in dark corners of windows, veranda’s, sheds of fences. They are found on tree trunks, logs, rock walls, and buildings (also in window frames and crevices). Black house spider webs form untidy, lacy sheets with funnel like entrances.The spiders mature during the summertime and live for about two years.The female stays with the eggs until they hatch. The female constructs several white silk eggs sacs, which are secured within the web retreat.Life cycle and habits of the Black House Spiders (black spider) Lifecycle The dorsal pattern of white marking is sometimes indistinct. Carapace and legs are dark brown to black and the abdomen is charcoal grey.This species is a robust spider, 1-1.5cm in body length.
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