Calamotropha argenticilia is a moth in the family Crambidae. It was described by George Hampson in 1896. It is found in Sri Lanka,[1] India and Bhutan.[2]
The wingspan is 16 mm. Male pure silvery white. Palpi tinged with fulvous at base. Forewings with fine pale fuscous, slightly sinuous erect medial line. A similar submarginal line slightly excurved between veins 6 and 3. A black marginal line present with silvery cilia.