This image is copyrighted to Col
Halliday from Australia
Sydney funnel web spider:
(Atrax robustus)
One of the most deadly in the world.
Its mostly the aggressive male that has the bite, both the male and female are
bluish-black with 2 long spinnerets at the end of the abdomen. They are
mostly active during the night when they come out for food.
Size:
F 35mm; M 25mm.
web:
A funnel-web normally burrowed in
with trip threads around the entrance(s).
Habitat:
Forest and gardens.
Range:
Australia: new south Wales and Victoria.
Season:
Females all year; males active November-March.
Brown Recluse Spider:
(Loxosceles reclusa)
A very small but deadly spider, this spider is a shy spider and looks like the violin spider but the bit is worse. They live in buildings and can often be found in the corner
of rooms or in cupboards, also can be found in baths and showers as well as other places.
They spin an irregular web but also they forage around at night. When this goes on it's nocturnal walks and it happens to find a human in the way
of it's path it primes its fangs and ouch your foot hurts!! (were bigger but they bite us if we get in the way) or if it should find our cloths then it will make a living, again we humans get in the way.
It's a little spider with a BIG attitude. The bit affect the tissue around
that bite making big hole around the area it struck. This can lead to
death without medical help.
Size: F
9mm; M 8mm.
Web: a rough sheet of sticky silk.
Habitat:
Under stones/rocks, loose bark also caves and buildings.
Range: N America.
Season: adults all year.
Black widow:
(Latrodectus mactans) The most well know spider for
all the wrong reason because of the deadly bite it administers and the very unmistakable markings. The female is about the size of a thumbnail with satin black body and the unmistakable red "hourglass" marking on the underside, the female is the one that gives a poisonous bite. The male is very pale and does not give the poisonous bite. The female has the power to overcome large prey like scorpions just by spraying gummy silk at them as they struggle in the web. The egg sac of this spider is not white but brown and papery.
Size:
F 16mm; 5mm.Web: A tangle web with taut threads below bearing sticky globules.
Habitat: Building, plantation and stony places and maybe in your clean washing!!.
Range: Southern USA and other warm regions of the world.
Season: Depends on location.
Red back spider:
(Latrodectus hasselti) The notorious red back of Australia, with its very painful bite, is the equivalent of a black widow in north America. It is satin black or dark brown in colour and can be identified by the broad or slender red stripe on the upper surface of the abdomen. The pale brown male is much smaller and does not bite.
Size:
F 14mm; M 4mm.Web: A tangle web with taut threads below bearing sticky globules.
Habitat: Dry, stony regions and building, or maybe even your washing.
Range: Gulf regions and Australia: introduced to new Zealand and Japan.
Season: Adults probably all year.
Malmignatte:
(Latrodectus
tredecimguttatus) A very attractive species of the tangle web group related to the black widow and red back spider. The fully grown adult females have a round, black abdomen beautifully marked with 13 red spots. The male is smaller and marked with white. A dark variety of this species, found widely in the Mediterranean, may have red bars on the underside but lacks the 13 red spots.
Size:
F 15mm; M 7mm.Web: A tangle web with taut threads below bearing sticky globules.
Habitat: stony areas with Mediterranean shrubs.
Range: S Europe (typical spotted form in Corsica)
Season: Adult females May-November; mates June-July.
Size:
F 35mm; M 25mm.Web: None.
Habitat: Buildings, plantation and wastelands: in banana leaves, etc.
Range: S brazil, Paraguay, Uruguay and Argentina.
Season: Adults all year.
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