Eoparargyractis floridalis is a moth in the Crambidae family. It was described by Lange in 1956. It is found in North America, where it has been recorded from Florida and South Carolina. The wingspan is 16 mm. The ground colour of the forewings is white with a transverse subbasal brown line and a submedian transverse band, the outer margin outlined in brown. The hindwings have a postbasal transverse band. The margins are outlined in brown and there is a median area with a white background irrorated with fuscous scales. Adults have been recorded on wing from March to May, in July and from September to November.