Phragmataecia is a genus of moths belonging to the family Cossidae. Members of this genus are found in the Old World.
Members of this genus are generally medium-sized with very long abdomens, especially in females, and long bipectinate antennae. In males the length of pecten abruptly shortens to the distal part of tip, while in females pecten length is short to the tip of antenna as near invisible papilla. Coloration is white to black with unexpressed wing patterns except small black dots between the vein of the forewing in females.
As of 2012, the genus had 39 species distributed in the Old World.