Nuvol umbrosus Navás adult: a habitus, lateral b head, frontolateral c head, thorax, dorsal (Brazil, Amazonas, FS).

 
 
  Part of: Tauber CA, Sosa F (2015) Rediscovery of Nuvol umbrosus Navás (Neuroptera, Chrysopidae, Leucochrysini): redescription and discussion. ZooKeys 519: 141-153. https://doi.org/10.3897/zookeys.519.5996