Triachrysa, Makarkin & Simonsen & Perkovsky, 2025

Makarkin, Vladimir N., Simonsen, Thomas J. & Perkovsky, Evgeny E., 2025, A new genus and species of Nothochrysinae (Neuroptera: Chrysopidae) from the early Eocene Fur Formation, Denmark, Zootaxa 5653 (1), pp. 116-122 : 117

Genus Triachrysa gen. nov.

Type and only species: Triachrysa rusti sp. nov.

Diagnosis. Forewing: Costal space strongly narrowed before pterostigmal area; three gradate series in radial space; intramedian cell broad, pentagonal; crossvein 2m-cu connecting MP, CuA located in proximal half of intramedian cell.

Etymology. From the Greek tria [τρία],three, and – chrysa, a traditional ending for generic names in Chrysopidae , referring to the presence of three gradate series of crossveins in the forewing. Gender: feminine.

Remarks. The new genus is clearly distinguished from other Nothochrysinae (see Discussion).