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This paper describes a new, abundant and widespread species of Yphthimoides Forster from the Atlantic forests of southern Brazil, Paraguay, and northern Argentina (Misiones) in open and secondary vegetation and forest edges. Adult and immature stage morphology is described, molecular data are provided, and the placement of the new species within the genus Yphthimoides is discussed.

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A new genus is described for Neonympha griphe C. Felder & R. Felder, 1867, to contribute toward a revision of the polyphyletic genus Euptychoides Forster, 1964. Based on DNA sequence data, Graphita Nakahara, Marín & Barbosa, gen. nov. is strongly supported as a member of a clade of predominantly southeastern Brazilian taxa, in which it is weakly supported as sister to a well-supported clade containing Pharneuptychia Forster, 1964, Moneuptychia Forster, 1964 and the E. castrensis (Schaus, 1902) species complex. The data show that Graphita griphe comb. nov. is not related to other Euptychoides and not very closely related to any other sampled euptychiines, and thus support the description of this new genus. In addition, we provide morphological illustrations and a distribution map for this taxon based on museum specimens.

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