Deadly Redback Spiders are the ultimate spider killers. They are cousins to Black Widow spiders. Between week 3 & 4 I introduced a Black House Spider into the Redback spider home. This new spider really had the Redback spiders carefully understanding what they were up against. Lots of touch and taste by many Redback spiders. They semed to work together to corner the Black House Spider until it was dealt a spider bite. But the Redback spiders did not bind the spider with web and suck it to zero. The Black House Spider died a fews days later. It never seemed to recover from the initial spider attack by multiple Redback spiders. From what I have seen Redback spiders will drift between being isolated loners enjoying a place to themselves to working in gangs to kill another spider or insect. One thing for sure is I have not found anything to add to the Redback spider home that kills Redbacks. The only threat to them is an attack from another Redback spider. Surely this makes for a very awkward family structure. In seeing this also explains why they can build up huge infestation numbers around the garden.
RU-vidr Beanmeister22 had the idea for this Terrarium. It's decorated with a CAT Bulldozer toy, Thomas The Tank (Wooden Railway), Minecraft Minifigure Steve with TNT and Star Wars Millennium Falcon (Hot Wheels Diecast). This Terrarium has garden soil and other garden bugs that were in the compost heap. It's a fun and inexpensive home for the most interesting and deadly pets I have ever had.
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The Redback spider (Latrodectus hasseltii) is a species of venomous spider indigenous to Australia. It is a member of the cosmopolitan genus Latrodectus, the widow spiders. The adult female is easily recognised by her spherical black body with a prominent red stripe on the upper side of her abdomen and an hourglass-shaped red/orange streak on the underside. Females have a body length of about 10 millimetres (0.4 in), while the male is much smaller, being only 3-4 mm (0.12-0.16 in) long. Mainly nocturnal, the female Redback lives in an untidy web in a warm sheltered location, commonly near or inside human residences. It preys on insects, spiders and small vertebrates that become ensnared in its web. It kills its prey by injecting a complex venom through its two fangs when it bites, before wrapping them in silk and sucking out the liquefied insides. Male spiders and spiderlings often live on the periphery of the female spiders' web and steal leftovers. Other species of spider and parasitoid wasps prey on this species. The Redback is one of few arachnids which usually display sexual cannibalism while mating. The sperm is then stored in the spermathecae, organs of the female reproductive tract, and can be used up to two years later to fertilise several clutches of eggs. Each clutch averages 250 eggs and is housed in a round white silken egg sac. The Redback spider has a widespread distribution in Australia, and inadvertent introductions have led to established colonies in New Zealand, Japan, and in greenhouses in Belgium.
The redback is one of the few spider species that can be seriously harmful to humans, and its preferred habitat has led it to being responsible for the large majority of serious spider bites in Australia.
Leokimvideo is the home of the 'Big Spider Attacks' videos on youtube! You must have written permission from me to use any part of this video, that's the rules.
Web Links :
en.wikipedia.org/wiki/Redback...
en.wikipedia.org/wiki/Black_h...
en.wikipedia.org/wiki/Latrode...
en.wikipedia.org/wiki/Arachno...
en.wikipedia.org/wiki/Spider
en.wikipedia.org/wiki/Terrarium
30 ноя 2016
