Acronicta impleta

(Walker, 1856)
Yellow-haired Dagger

Sort #: 2514 | P #: 931474 | MPG #: 9257 | PFG Page #: 402
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Larval substrate: Acer (Maple), Alnus (Alder), Carya (Hickory), Juglans (Walnut), Fraxinus (Ash), Salix* (Willow), Ulmus (Elm)
Phenology: Adult: 5/14 to 7/24 (55 records)

Status in MA (automated assessment): Fairly widespread, fairly common
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 1880
Last Year Reported: 2025

Distribution by County: Berkshire, Hampden, Hampshire, Franklin, Worcester, Middlesex, Norfolk, Dukes, Nantucket
Number of Records: 127