Pternohyla fodiens Boulenger, 1882 Hyla rudis Mocquard, 1899 The lowland burrowing tree frog or northern casquehead frog (Smilisca fodiens) is a species of frog in the family Hylidae.

It is found in south-central Arizona, the United States, and southward along the coastal plain and foothills to Western and South-Central Mexico.

[1][2] Its natural habitats are open mesquite grassland and tropical scrub forests at elevations from near sea level to about 1,490 m (4,890 ft) above sea level.

It is a burrowing frog that is common in rain-filled temporary pools, its breeding habitat.

It is threatened by habitat loss caused by agricultural development.