The genus Miroculis Edmunds (Leptophlebiidae: Ephemeroptera) is record for the first time in the de - partment of Choco, Colombia. The genus is previously reported for the departments of Amazonas and Antioquia. Registration is based on nymphs collected into two streams of municipalities in Quibdo and Union Panamericana, which have been deposited in the Limnology Collection of Choco (CLCH-Insec).