Type Locality : Casigua, El Cubo, Jesús Maria Semprúm, Estado Zulia, Venezuela
Etymology : The specific epithet is a noun in apposition, honouring Juana Ramírez (1790–1856), known in Venezuela as “La Avanzadora”, an Afro-Venezuelan artillery officer and heroine of Venezuelan independence
The type material of Xenesthis colombiana Simon, 1891, X. immanis Ausserer, 1875, and X. monstrosa Pocock, 1903, are redescribed, with additional specimens of X. colombiana recorded. A neotype is designated for Xenesthis intermedia Schiapelli and Gerschman, 1945, as the holotype is lost; the female is redescribed, and the male is described for the first time. A new species, Xenesthis avanzadora sp. nov., is described from Venezuela based on a holotype male.
