NEW ZEALAND SPIDERS
Spiders, ticks, mites, centipedes, millipedes, are all arachnids.
There are a number of different types of spiders in New Zealand:
The golden orb web spider, below.
The grey house spider, below.
The large brown vagrant spider, below.
The katipo spider, below.
The Avondale spider ( In Auckland), below.
White tailed spiders, which are identified by a white tip at the end of the abdomen, below.
Spiders are nocturnal and omnivores. They are also cannibalistic feeders and can transmit bacteria pathogens; spider bites can cause localised swelling or irritations. While the venom of most arachnids found in New Zealand is not necessarily poisonous to warm blooded animals and humans, they can introduce an extremely toxic substance into the blood stream. White tail bites, for example, can make people very ill and may require medical attention.
Spiders produce an egg sac consisting of a mass of silken threads. The eggs hatch inside the sac, and the young ‘moult’ once before ballooning on the silken threads to leave the sac. They are then left to find their own food. After successive moults they reach adult stage, where the body hardens and darkens in colour.
The average life cycle of most spiders is less than 12 months.
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