Lythria

Lythria is a genus of moths in the family Geometridae erected by Jacob Hübner in 1823. It is the only genus of the monotypic tribe Lythriini described by Claude Herbulot in 1962.

Systematics
The genus Lythria consists of five species:
 * Tribe Lythriini Herbulot, 1962
 * Genus Lythria Hübner, 1823
 * Lythria cruentaria (Hufnagel, 1767)
 * Lythria plumularia (Freyer, 1831)
 * Lythria purpuraria (Linnaeus, 1758)
 * Lythria sanguinaria (Duponchel, 1842)
 * Lythria venustata Staudinger, 1882

Phylogenics
Within the Sterrhinae, the Lythriini are probably the sister group of the Rhodometrini, as diagrammed by the cladogram below: