Page 18 - 2008 DT 12 issues
P. 18

Spider Myths                         may  often  look  like  spiders,  “camel   There is no such thing as a “poison-
                                             spider”  is  a  catch-all  common  term  ous”  spider,  either,  although  all  have
                                             for solpugids (or solifugids), a type of  venom  which  is  used  to  subdue  in-
                ccording  to  Rod  Crawford,   non-spider arachnid found in desert re-  sects prior to eating them. Many be-
                Curator  of Arachnids  at  the   gions. Soldiers returning from the Gulf  lieve  that  some  spiders  are  deadly,
        ABurke  Museum  of  Natural          War, and more recently Iraq, brought  but Crawford insists that “there is no
        History and Culture at the University   with them stories of giant, aggressive  spider species anywhere that can be
        of Washington in Seattle, “Everything   “camel spiders” that anesthetize sleep-  properly  called  deadly,”  even  though
        that everybody knows about spiders   ing  victims,  inflicting  a  venomous,  some few people may have died from
        . . . is wrong!” Crawford has spent  flesh-eating bite. These “huge” camel  spider venom. The venom of a black
        most of his thirty-plus years studying  spiders are described as the size of a  widow spider can cause death in rare
        spiders. A visit to the museum’s Spider  man’s forearm, able to jump 6 feet, run  cases involving small children, the elderly
        Myth Site (http://www.washington.edu/  (shrieking) at speeds up to 25 miles per  or the sick, but even then, death occurs
        burkemuseum/spidermyth/index.html)  hour or more, and either
        reveals his frustration at what passes  lay eggs under a camel’s
        for “general knowledge” with regard  skin or disembowel them.
        to arachnids. Patiently, and (perhaps)  Take your pick.
        wearily, he debunks the many myths       “Solpugids  (possi-
        perpetuated unwittingly by websites  bly  excepting  one  spe-
        and other media dealing with “insects.”  cies  in  India)  have  no
        Crawford, no longer willing to endure  venom, not even an an-
        the tall tales and misinformation, has  esthetic, nor any means
        decided to set the record straight.   of  delivering  a  venom
            The spider myth-versus-fact tu-  even if they had any, and
        torial begins with ‘SPIDERS ARE  are strictly predatory on
        NOT  INSECTS’!!  Insects  belong  smaller creatures,” says
        to the Class Insecta, while spiders  Rod Crawford. The so-
        belong  to  the  Class  Arachnida.  called  camel  spider  is                        solpugid (or solifugid)
        “Arachnids  are  as  distant  from  in-  fast, “but not that fast.”
        sects, as birds are from fish. It re-  Crawford  could  only              in less than five percent of these cases.
        ally is not a trivial distinction”!  verify speeds of less than one mile per   When it comes to identifying that
            The  eleven  different  orders  of  hour. Still, soldiers have continued to  spider lurking in the corner, don’t even
        arachnids  represent  several  types  of  write him contending that the legend of  try. Physicians, exterminators and en-
        scorpions,  as  well  as  harvestmen,  the camel spider is true, “although not  tomologists  (unless  they  are  also
        mites and ticks, solpugids, spiders and  one has been able to provide the names  arachnologists)  don’t  have  the  skills
        more. Arachnids have eight legs, while  or serial numbers” of stricken friends.  to  identify  spiders. With  over  50,000
        insects have only six but you can’t “al-  “That’s how urban legends work.”   species of spiders among over 100
        ways tell a spider because it has eight   Spiders  seem  to  be  convenient  families, identification is a daunting
        legs.” And about those webs—there are  scapegoats  for  various  crimes  com-  task, even for an expert.
        four major types, (sheet webs, funnel  mitted upon humans. They are almost   Two of the most maligned species
        webs, cobwebs and orb webs) but only  universally considered to be a danger  are the tarantula and the brown recluse,
        half of all known spider species make  to children and pets. Yet a spider has  both billed as “deadly.” Wild tarantulas
        webs. Some spiders are active hunters,  no reason to bite a human or any other  may bite if handled, but outside of Hol-
        while others sit in ambush waiting to  animal too large for it to eat. In over 30  lywood this “largest-of-all spiders” is
        pounce on a meal.                    years of handling “tens of thousands of  essentially the spider version of a pussy
            Many spider myths are just plain  live spiders,” Crawford has only been bit-  cat.  None  of  the  North America  spe-
        ridiculous. Take, for instance, the case  ten twice. Few spider species carry venom  cies kept as pets pose even a mild bite
        of  the  camel  spider.  Although  they  harmful to humans or dogs and cats.   hazard. And although a few tropical

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