Eupithecia swettii

Grossbeck, 1907

Sort #: 1813 | P #: 910233 | MPG #: 7530
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Larval substrate: Malus (Apple), Salix (Willow), Prunus serotina* (Black Cherry)
Phenology: Adult: 3/27 to 5/26 (102 records)

Comment: Described from Massachusetts (Sharon, Framingham); this species and E. matheri are the two common species with elongated wings flying early in the year (mainly April, early May). For differences in wing markings, see the comment under E. matheri.

Status in MA (automated assessment): Fairly widespread, uncommon
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 1904
Last Year Reported: 2026

Distribution by County: Hampshire, Franklin, Worcester, Middlesex, Essex, Suffolk, Norfolk, Bristol, Plymouth, Barnstable, Dukes, Nantucket
Number of Records: 108