Yponomeuta cagnagella

(Hübner, 1813)
Spindle Ermine

Sort #: 365 | P3 #: 360021 | MPG #: 2423.1 | PFG Page #: 42
View on BugGuide | View on iNaturalist | BOLD Link

Larval feeding type: Feeds communally in webs, up to 50 together in one web
Larval substrate: Euonymus europaeus* (European Spindle-tree)
Phenology: Adult: 6/20 to 9/01 (21 records)

Comment: All reported 'Y. padella' and 'Y. malinellus' are placed here, until larvae have been found on cherry or apple in MA; species of this group cannot be separated by genitalia or DNA

Status in MA (automated assessment): Fairly widespread, common
Status in N. America: Introduced
MA Endangered Species Act status: None
First Year Reported: 1993
Last Year Reported: 2022

Distribution by County: Berkshire, Franklin, Worcester, Middlesex, Essex, Norfolk, Bristol, Plymouth
Number of Records: 27