Beebe, W. (1951). Migration of Nymphalidae (Nymphalinae), Brassolidae, Morphidae, Libytheidae, Satyridae, Riodinidae, Lycaenidae and Hesperiidae (Butterflies) through Portachuelo Pass, Rancho Grande, North-central Venezuela. Zoologica, 36, 1-16. Retrieved de https://www.biodiversitylibrary.org/part/203473
