An interesting new genus of Berothinae (Neuroptera: Berothidae) from the early Eocene Green River Formation, Colorado Author Makarkin, Vladimir N. text Zootaxa 2017 4226 4 594 600 journal article 37244 10.11646/zootaxa.4226.4.9 2fc811b7-a188-45a3-8283-928707d193ee 1175-5326 265181 570DC764-EF4E-4F29-9220-0A048767998C Genus Xenoberotha gen. nov. Type and only species. Xenoberotha angustialata sp. nov. Diagnosis. May be easily distinguished from other genera of the family by a combination of the following character states: [1] scale-like, short, densely spaced setae on procoxae; [2] forewing very narrow (length/width ratio 4.1); [3] forewing CuA pectinate; [4] outer gradate series of crossveins close, nearly parallel to hind margin. Remarks. This combination of character states does not occur in any other genus of the family. Condition [4] is characteristic of only this genus in the subfamily. Etymology. From the Greek xenos [ξένος], strange, unusual, and Berotha , a genus-group name. Gender feminine.