Agonopterix argillacea

(Walsingham, 1881)

Sort #: 991 | P #: 590102 | MPG #: 889
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Larval substrate: Salix lasiolepis (Arroyo Willow), Ptelea (Hop Tree), Amorpha (False Indigo Bush)
Phenology: Adult: 4/09 to 5/22 (10 records)

Comment: Adult overwinters

Status in MA (automated assessment): Fairly widespread, uncommon
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 1905
Last Year Reported: 2026

Distribution by County: Hampshire, Franklin, Worcester, Middlesex, Norfolk, Plymouth
Number of Records: 10