Pediasia ericella is a moth in the family Crambidae. It was described by William Barnes and James Halliday McDunnough in 1918. It is found in North America, where it has been recorded from California and Alberta. The habitat consists of prairies and aspen parklands.
The wingspan is 24âÂÂ27 mm for males and 19âÂÂ25 mm for females.
The larvae probably feed on the roots of grasses.