Kaloula rugifera, the Sichuan digging frog or Szechwan narrowmouth toad, is a species of frog in the Microhylidae family.It is endemic to China where it is found in Sichuan and extreme southern Gansu.Its habitats are hilly areas near villages. It has also been recorded from tree-holes. Breeding takes place in temporary pools and ponds. This previously very common is believed to be declining because of habitat loss associated with infrastructure development.