Systematics of Euptychiina – Systematics of Neotropical Butterflies https://www.floridamuseum.ufl.edu/neotropica/research/euptychiina/
One of the richest butterfly radiations in the Neotropical lowlands is the nymphalid satyrine subtribe Euptychiina, which is also one of the three most poorly studied groups of ‘true butterflies’ (Papilionoidea). In fact, few other animal groups that are so taxonomically challenging are as speciose,
Beiträge zur Kenntnis der Insektenfauna Boliviens XIX. Lepidoptera III. Satyridae.