Catocala amatrix

(Hübner, [1813])
Sweetheart Underwing

Sort #: 2320 | P #: 930815 | MPG #: 8834 | PFG Page #: 348
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Larval substrate: Populus (Poplar), Populus tremuloides* (Quaking Aspen), Salix (Willow)
Phenology: Adult: 7/25 to 10/15 (146 records)

Status in MA (automated assessment): Widespread, fairly common
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 1875
Last Year Reported: 2026

Distribution by County: Berkshire, Hampden, Hampshire, Franklin, Worcester, Middlesex, Essex, Suffolk, Norfolk, Bristol, Plymouth, Barnstable, Dukes, Nantucket
Number of Records: 172