mygale hentzii

Mygale \Myg"a*le\, prop. n. [L., a field mouse, Gr. ?.] (Zool.)
   A genus of very large hairy spiders of the family
   {Ctenizidae}, having four lungs and only four spinnerets.
   They do not spin webs, but usually construct tubes in the
   earth, which are often furnished with a trapdoor. The South
   American bird spider ({Mygale avicularia}), and the crab
   spider, or matoutou ({Mygale cancerides}) are among the
   largest species. They are also called {trapdoor spiders}.
   Some of the species are erroneously called tarantulas, as the
   Texas tarantula ({Mygale Hentzii}).
   [1913 Webster +PJC]
    

Tarantula \Ta*ran"tu*la\, n.; pl. E. {Tarantulas}, L.
   {Tarantulae}. [NL., fr. It. tarantola, fr. L. Tarentum, now
   Taranto, in the south of Italy.] (Zool.)
   Any one of several species of large spiders, popularly
   supposed to be very venomous, especially the European species
   ({Tarantula apuliae}). The tarantulas of Texas and adjacent
   countries are large species of Mygale. [Written also
   {tarentula}.]
   [1913 Webster]

   {Tarantula killer}, a very large wasp ({Pompilus formosus}),
      which captures the Texan tarantula ({Mygale Hentzii}) and
      places it in its nest as food for its young, after
      paralyzing it by a sting.
      [1913 Webster]