Deinacrida rugosa, commonly called the Cook Strait giant weta or Stephens Island weta, is a species of insect in the family Anostostomatidae. The scientific name Deinacrida means "terrible grasshopper" and rugosa means "wrinkled". It is endemic to New Zealand.

Maud Island is one of the larger islands in the Marlborough Sounds on the northeastern tip of the South Island of New Zealand, with a total area of 320 ha.