Copticostola is a genus of moth in the family Gelechiidae. It contains the species Copticostola acuminata, which is found in Tabasco, Mexico. The wingspan is about 13 mm. The forewings are ivory-white, with three diffused fuscous dorsal patches, the first short at the flexus, the second before the middle, obliquely triangular, its apex crossing the fold, a third small and indistinct close to the tornus. Along the costa is a slender blackish streak at the base, and a narrow outwardly dilated dark brown costal shade beyond the middle, through which runs a very oblique white line to a conspicuous black spot at the apex. Beneath this spot the cilia are ivory-white, with a small transverse black streak descending through them from the apex and nearly joining a streak of brown scales projecting