Acronicta insita

(Walker, 1856)
Large Gray Dagger

Sort #: 2491 | P #: 931423 | MPG #: 9202 | PFG Page #: 394
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Larval substrate: Alnus* (Alder), Betula (Birch), Populus (Poplar), Salix* (Willow)
Phenology: Adult: 5/27 to 8/03 (23 records)

Comment: A. dactylina Grote, 1874 is a synonym

Status in MA (automated assessment): Restricted distribution, rare
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 1906
Last Year Reported: 2025

Distribution by County: Berkshire, Hampshire, Franklin, Worcester, Middlesex
Number of Records: 35