Detail of plate 25 modified from Joseph Anton Maximilian Perty’s work from 1834, with a water color illustration of the holotype of the small skimmer dragonfly Libellula phryne (Fig. 3, Odonata: Libellulidae; currently Nephepeltia phryne) described by him from "Provincia Piauhiensi", Brazil.

  
  Part of: Takiya D, Santos A, Pinto Â, Henriques-Oliveira A, Carvalho A, Sampaio B, Clarkson B, Moreira F, Avelino-Capistrano F, Gonçalves I, Cordeiro I, Câmara J, Barbosa J, de Souza W, Rafael J (2016) Aquatic Insects from the Caatinga: checklists and diversity assessments of Ubajara (Ceará State) and Sete Cidades (Piauí State) National Parks, Northeastern Brazil. Biodiversity Data Journal 4: e8354. https://doi.org/10.3897/BDJ.4.e8354