New Jersey Butterfly Club

A chapter of the North American Butterfly Association (NABA)

Imperial Moth (Eacles imperialis)

Hodges number: 7704

Family: Saturniidae

Subfamily: Ceratocampinae

Wingspan: 3.3-6.8 inches

Range in NJ: Statewide

A U.S./Canada distribution map for this species is available.

Flight Period: June to August (most June-July), 1 brood

Caterpillar Food Plants: Many species of deciduous trees and a few species of conifers.

Comments: Attracted to lights. Males are usually somewhat darker than females. Great variation in pattern of dark and light colors even within sexes—so much so that every individual can be easily identified.



Imperial Moth

Male, Sussex County, NJ.


Imperial Moth

Female, Sussex County, NJ.


Imperial Moth

Larva, Sussex County, NJ.