Carectocultus perstrialis, the reed-boring crambid moth, is a moth in the Crambidae family. It was described by Hübner in 1831. It is found in North America, where it has been recorded from Florida, Georgia, Maryland, Massachusetts, Mississippi, Nova Scotia, Ohio, South Carolina and Texas. Outside of the United States, it has also been recorded from the West Indies (including the Bahamas, Cuba and the Dominican Republic) and South America (including Venezuela). Adults are on wing year round in Florida and from June to August in the rest of the United States.