Spiders!Spiders!
Spiders are not bugs. Spiders have 8 legs….. Bugs have 6 legs
Spiders have 2 body segments…. Bugs have 3 segments
Most spiders have 8 eyesMost spiders have 8 eyes
Spiders have no ears. They feel sound by using tiny hairs on their legs to detect sound vibrations.
Spiders have two body segments… the head and abdomen. The connection point between the two segments is very small. As a result, spiders can’t swallow large things and therefore just suck the juice out of their prey.
Spiders have light blue blood. The blood fills body cavities and legs which
makes the legs able to move. (hydraulic action)
Most spiders have venom. Most venom is not harmful to humans.
Most spiders only live 1 year. Some spiders like the tarantula can live up to 25
years in captivity.
All spiders eat insects. Some spiders can eat larger things like birds and
lizards.
Some cool spiders…Some cool spiders…
Garden SpiderGarden Spider
Found in continental U.S. Females can grow to be 3
inches long (including legs) Harmless to humans Webs are circular and up to
2 feet in diameter.
Brown Recluse SpiderBrown Recluse Spider
¼ to ½ inches long 3 pairs of eyes Brown body with light
brown legs If it bites you, your skin
may start to die (necrosis)
Black Widow SpiderBlack Widow Spider Venom is more potent
than a cobra’s, but it is much smaller…
Body is about ½ inch long Has red hour-glass on
body Bite symptoms are
abdominal pain, increased blood pressure.
Wolf SpiderWolf Spider They have 8 eyes
arranged in three rows They carry their eggs
on their backs They are hunter spiders Bite symptoms are
swelling, itching and mild pain
Australian Funnel-web SpiderAustralian Funnel-web Spider
One of the most poisonous spiders in the world
Camel SpiderCamel Spider
Not actually a spider… also known as a wind scorpion Can run 10 mph Can grow up to 6 inches long They seek out shadows, so they will follow you to stay in your shadow Not venomous
Jumping SpiderJumping Spider Can jump from 10 to 40
times their body length Many different species of
jumping spider Size is around 2cm in
length Has extremely good vision
Trap-door SpiderTrap-door Spider Make burrows with a cork-like
trap door The door is hinged on one
side with spider silk They hang out in burrow and
wait for prey. The spider can feel the vibrations of the prey and jumps out to eat it.
Goliath Bird eating spiderGoliath Bird eating spider The largest spider in the world Lives in the rain forests in
South America Can have a 12 inch long leg
span Live in burrows Live for 15 to 25 years Venom not harmful to humans
Jewelled spiderJewelled spider
Found in Australia