Eacles imperialis

(Drury, 1773)
Imperial Moth

Sort #: 1710 | P #: 890012 | MPG #: 7704 | PFG Page #: 248
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Larval feeding type: Feeds externally
Larval substrate: In MA, mainly Pinus rigida* (Pitch Pine), elsewhere reported from Tilia (Basswood), Betula (Birch), Alnus (Alder), Juniperus virginiana (Eastern Red Cedar), Ulmus (Elm), Carya (Hickory), Acer (Maple), Quercus (Oak), Juglans (Walnut)
Phenology: Adult: 6/22 to 8/23 (162 records)

Status in MA (automated assessment): Restricted distribution, uncommon
Status in N. America: Native
MA Endangered Species Act status: Threatened
First Year Reported: 1833
Last Year Reported: 2026

Distribution by County: Berkshire, Hampshire, Worcester, Middlesex, Essex, Norfolk, Bristol, Plymouth, Barnstable, Dukes
Number of Records: 245