Prays atomocella, the hop-tree ermine moth, is a moth of the family Plutellidae. It is found in the United States, where it has been recorded from Arkansas, Illinois, Indiana, Kentucky, Michigan, New Mexico, Ohio, Tennessee and Texas.[1]

Hop-tree ermine moth
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Praydidae
Genus: Prays
Species:
P. atomocella
Binomial name
Prays atomocella
(Dyar, 1902)
Synonyms
  • Yponomeuta atomocella Dyar, 1902
  • Yponomeuta atomosella
  • Prays atomosella

The wingspan is about 18 mm. There is one generation per year with adults on wing from April to August.

The larvae feed inside new shoots of Ptelea trifoliata. When full-grown, the larva leaves the shoot and pupates inside a cocoon. Larvae can be found in early spring.[2]

References edit