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GIANT CRAB SPIDER                                                                                                         GIANT CRAB SPIDER





























                                                                                          Photo by Brian Rineberg                                                                                                   Photo by Brian Rineberg
                                                                                            Corky’s Pest Control                                                                                                       Corky’s Pest Control

      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
                                                                                             Corky’s Pest Control                                                                                                       Corky’s Pest Control
     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
                                      Corky’s Pest Control                       Corky’s Pest Control                                                            Corky’s Pest Control                       Corky’s Pest Control


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