Neotropical osmylids (Neuroptera, Osmylidae): Three new species of Isostenosmylus Krüger, 1913, new distributional records, redescriptions, checklist and key for the Neotropical species Author Martins, Caleb Califre Author Ardila-Camacho, Adrian Author Aspöck, Ulrike text Zootaxa 2016 4149 1 1 66 journal article 10.11646/zootaxa.4149.1.1 a4408b5b-0ea4-4d35-a7de-8f9694fa6e9e 1175-5326 256806 3C009047-18B7-4C79-9C22-6D7659AA533B 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 ).