Head of Gymnocnemia and Megistopus, frontal view. A Gymnocnemia variegata [Italy, Sardinia]; B Gymnocnemia mirabilis [Oman, Jabal Shams]; C Megistopus flavicornis [France, Gard]; D Megistopus lucasi [Italy, Sardinia].

 
 
  Part of: Badano D, Aspöck H, Aspöck U (2017) Taxonomy and phylogeny of the genera Gymnocnemia Schneider, 1845, and Megistopus Rambur, 1842, with remarks on the systematization of the tribe Nemoleontini (Neuroptera, Myrmeleontidae). Deutsche Entomologische Zeitschrift 64(1): 43-60. https://doi.org/10.3897/dez.64.11704