Rheumaptera undulata
(Linnaeus, 1758)
Scallop Shell
Sort #: 1729 | P3 #: 910129 | MPG #: 7291
View on BugGuide | View on iNaturalist | BOLD Link
Larval substrate: Malus (Apple), Prunus serotina (Black Cherry), Ribes (Currant), Salix (Willow)
Phenology: Adult: 6/01 to 8/17 (9 records)
Comment: In Europe it flies in a single generation from June to August
Status in MA (automated assessment): Fairly widespread, rare
Status in N. America: Holarctic
MA Endangered Species Act status: None
First Year Reported: 2014
Last Year Reported: 2021
Distribution by County: Berkshire, Franklin, Worcester, Middlesex, Plymouth
Number of Records: 9