The Blastobasidae is microlepidopteran, narrow-winged moth and account of more 500 species among 23genera worldwide. This family is defined by the following characteristics: i) presence of antennal pecten in head; ii) Rs and M1 separate in the hindwing; iii) valva with well-developed digitate saccular processus in male genitalia; iv) aedeagus with a band-like internal sclerite.