Hypsopygia costalis
(Fabricius, 1775)
Clover Hayworm
Sort #: 1487 | P #: 800681 | MPG #: 5524 | PFG Page #: 132
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Larval substrate: Mostly dried plant material and hay
Phenology: Adult: 5/25 to 10/16 (135 records)
Status in MA (automated assessment): Widespread, very common
Status in N. America: Introduced
MA Endangered Species Act status: None
First Year Reported: 1882
Last Year Reported: 2025
Distribution by County: Berkshire, Hampden, Hampshire, Franklin, Worcester, Middlesex, Essex, Norfolk, Bristol, Plymouth, Barnstable, Dukes, Nantucket
Number of Records: 144
