One century after: a reappraisal of the gnathos (sensu Pierce, 1914) in Larentiinae (Lepidoptera: Geometridae) Author Schmidt, Olga text Zootaxa 2015 3974 3 328 340 journal article 10.11646/zootaxa.3974.3.2 67110af0-00a8-4fab-9025-cf54a705ba3e 1175-5326 243714 59DD0D8D-1F66-4F25-B8C1-57D94734BC39 Tribe Asthenini Asthena albulata and Hydrelia flammeolaria . In both species the remnants of the gnathos in the male genitalia are invisible. The base of the very long anal tube with its subscaphium is connected to the transtilla (see Xue & Zhu 1999 , fig. 1020, Xue & Scoble 2002 , fig. 193, Hausmann & Viidalepp 2012 , figs 181, 186, male genitalia).