Genus Ariasa Distant, 1905 Ariasa Distant 1905a: 314. Type species. Tympanoterpes colombiae Distant 1892a: 60 (Colombia) Remarks. Species of the genus Ariasa can be distinguished from the other Guyalnina by the absence of bright green basal area of the fore wings and bright red on the basal area of the hind wings, eyes that are not stylate nor extended anteriorly, a head that is wider than the mesonotum with eyes projecting beyond the anterior angles of the pronotum, an angled radial crossvein, triangular male opercula, an abdomen that expands laterally from its base, timbal covers with a curved anterior apex, and the posteriorly extended uncal dorsal crest (Sanborn 2016b). Distribution. Species of the genus have been reported f...