Euparthenos nubilis

(Hübner, 1823)
Locust Underwing

Sort #: 2379 | P #: 931055 | MPG #: 8719 | PFG Page #: 362
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Larval substrate: Robinia pseudoacacia* (Black Locust)
Phenology: Adult: 5/12 to 9/29 (155 records)

Status in MA (automated assessment): Widespread, common
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 1865
Last Year Reported: 2025

Distribution by County: Berkshire, Hampden, Hampshire, Franklin, Worcester, Middlesex, Essex, Suffolk, Norfolk, Bristol, Plymouth, Barnstable, Dukes, Nantucket
Number of Records: 224