Three newly recorded species of the genus Calicotis, Meyrick 1889 are reported from Taiwan: C. attiei (Guillermet, 2011), C. rotundinidus Terada, 2016, and C. exclamationis Terada, 2016. C. biserraticola Terada, 2016 is treated as a junior subjective synonym for C. attiei based on both morphological and molecular data. The life history of these three species is presented as well as the first observation of fern-feeding stathmopodid eggs in the world.
Keywords: Cuprininae; Ferns; Immature biology; Spore-feeding; Taiwan.