#family_Theridiidae__Theridiidae  a family of comb-footed spiders
  supertype:  arthropod_family__arthropodfamily  any of the arthropods
  member of:  order_Araneae
  member:  comb-footed_spider__theridiid  spider having a comb-like row of bristles on each hind foot
  member:  genus_Latrodectus__Latrodectus  venomous spiders
     member:  black_widow__blackwidow__Latrodectus_mactans  venomous New World spider; the female is black with an hourglass-shaped red mark on the underside of the abdomen

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