Martins, Caleb Califre, Ardila-Camacho, Adrian & Aspöck, Ulrike, 2016, Neotropical osmylids (Neuroptera, Osmylidae): Three new species of Isostenosmylus Krüger, 1913, new distributional records, redescriptions, checklist and key for the Neotropical species, Zootaxa 4149 (1), pp. 1-66: 6

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Subfamily Gumillinae  Navás, 1912

This unusual subfamily is mainly represented in the fossil record; it is currently composed by nine Mesozoic Genera sparsely distributed in Brazil, China, England, Kazakhstan, and Myanmar and only one extant genus distributed in the New World ( Menon & Makarkin 2008; Yang et al. 2010; Myskowiak et al. 2016). The group is characterized by the following combination of characters: antennae filiform, much longer than forewing, scape extremely enlarged, flagellomeres elongated; wing reticulation irregular, without outer gradiform series of crossveins ( Menon & Makarkin 2008).