Neosilba ilheuense
Diagnostic description:
Wings, head and thorax chaetotaxy similar to N peltae. Male genitalia: Aedeagus long when compared to other species of peltae complex, completely closed until apex; apex thinner than the portion of aedeagus after the "C" shaped base (Fig 5). Cerci large and broad. Anterior margin of surstylus with thin and almost evenly spaced setae; posterior margin of surstylus with longer setae. Posteriormost lobe of surstylus with a row of 5 prensisetae and one more prensisetae more spaced. Posterior margin of epandrium with long and fine setulae.