Distribution map of extant species of Ilyobius. Besides the present record, other geographical distribution records were obtained from Flint (1973), Penny (1981), Contreras-Ramos (2006, 2008), and Contreras-Ramos et al. (2005).

 
 
  Part of: Liu X, Hayashi F, Yang D (2015) Taxonomic notes of the Neotropical alderfly genus Ilyobius Enderlein, 1910 (Megaloptera, Sialidae), with description of a new species. Deutsche Entomologische Zeitschrift 62(1): 55-63. https://doi.org/10.3897/dez.62.4481