Raspberry crazy ants — or Tawny crazy ants depending on who you ask — are currently running amok in southern Texas. In the 11 years since their discovery by exterminator Tom Raspberry, theyve managed to effectively overrun small communities outside Houston, teeming by the billions in the walls and under the floors of average homeowners in the area. As Jon Mooallem of the New York Times tells it, the ants decimate native insects.