Acentria is a monotypic moth genus of the family Crambidae that was described by James Francis Stephens in 1829. Its only species, Acentria ephemerella, the watermilfoil moth or water veneer, was described by Michael Denis and Ignaz Schiffermüller in 1775. It is used as an agent of biological pest control against the noxious aquatic plant known as Eurasian watermilfoil (Myriophyllum spicatum).
Acentria is a monotypic moth genus of the family Crambidae that was described by James Francis Stephens in 1829. Its only species, Acentria ephemerella, the watermilfoil moth or water veneer, was described by Michael Denis and Ignaz Schiffermüller in 1775. It is used as an agent of biological pest control against the noxious aquatic plant known as Eurasian watermilfoil (Myriophyllum spicatum).
The adult male is a white moth with a wingspan of about 12 millimeters. Forewings whitish, veins and costa obscurely brownish. Hindwings whitish. Wings in female often rudimentary, but sometimes larger than in male, up to 23 mm. Larva light olive-green; head light brown.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).