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GIANT CRAB SPIDER GIANT CRAB SPIDER

Photo by Brian Rineberg Photo by Brian Rineberg
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1.Antenna- none 6.Cephalothorax GIANT CRAB SPIDER 1.Antenna- none 6.Cephalothorax GIANT CRAB SPIDER
2.Eyes-8 7.Petiole- none 2.Eyes-8 7.Petiole- none
3.Prosoma 8.Abdomen 8 3.Prosoma 8.Abdomen 8
4.Legs- 8 9.Color- mottled grays and browns 4.Legs- 8 9.Color- mottled grays and browns
5.Wings- none 10.Other-male has large pedipalps 5.Wings- none 10.Other-male has large pedipalps
2 6 2 6
Life Cycle Life Cycle
Females will stay in one place only when laying and tending eggs. The Females will stay in one place only when laying and tending eggs. The
eggs are produced in an elongated egg sac, which will be found in 10 eggs are produced in an elongated egg sac, which will be found in 10
cracks and crevices being guarded by the mother spider. When they 4 cracks and crevices being guarded by the mother spider. When they 4
hatch, they stay with the mother until they can fend for themselves. Photo by Brian Rineberg hatch, they stay with the mother until they can fend for themselves. Photo by Brian Rineberg
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GIANT CRAB SPIDER (Olios giganteus) Actual size up to 2 1/4” GIANT CRAB SPIDER (Olios giganteus) Actual size up to 2 1/4”

Crab Spiders get their name from their crab-like behavior and appearance. The legs extend Crab Spiders get their name from their crab-like behavior and appearance. The legs extend
in crab fashion, and they can move forward, backward, and sideways just like crabs. They are in crab fashion, and they can move forward, backward, and sideways just like crabs. They are
hunters, seeking to grab insect prey without the use of a web. They will actually try to outrun in- hunters, seeking to grab insect prey without the use of a web. They will actually try to outrun in-
sects. The largest varieties can reach about 2 1/4th inches in size. The larger Crab Spiders are sects. The largest varieties can reach about 2 1/4th inches in size. The larger Crab Spiders are
often misidentified as being “tarantulas”. They are commonly found around cholla and prickly often misidentified as being “tarantulas”. They are commonly found around cholla and prickly
pear cactus, and will sometimes invade homes in search of insects. They can inflict a painful pear cactus, and will sometimes invade homes in search of insects. They can inflict a painful
bite, but it is not dangerous to humans. bite, but it is not dangerous to humans.

8 eyes 8 eyes

Chelicera Chelicera

Photo by Brian Rineberg Photo by Brian Rineberg Photo by Brian Rineberg Photo by Brian Rineberg
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