Attributes of Eacles imperialis

Imperial moth
Eacles imperialis (Drury, 1773)

Family: Saturniidae
Subfamily: Ceratocampinae
Identification: Females are larger than males. Upperside is yellow with pinkish brown to purple-brown patches, bands, and cell spots, and tiny brown spots scattered overall. Males have larger patches on the forewings than females, except for some subspecies pini males which have reduced purple and are mostly yellow.
Wing Span: 3 1/8 - 6 7/8 inches (8 - 17.4 cm).
Life History: Adults emerge before sunrise and mate after midnight the next day. Females lay eggs at dusk singly or in groups of 2-5 on both surfaces of host plant leaves. The eggs hatch in about 2 weeks, and the caterpillars are solitary feeders. Pupation takes place in underground burrows.
Flight: One brood; in the north from June-August, in the south from April-October.
Caterpillar Hosts: Conifers and deciduous trees and shrubs including pine (Pinus), oak (Quercus), box elder (Acer negundo), maples (Acer), sweet gum (Liquidambar styraciflua), and sassafras (Sassafras albidum). Confirmed feeding on Norway spruce (see record 738773). Subspecies pini feeds only on conifers.
Adult Food: Adults do not feed.
Habitat: Deciduous and evergreen forests.
Range: Maine west to eastern Nebraska, south to the Florida Keys and central Texas. Subspecies pini occurs across the northern Great Lakes basin and the northern third of Michigan's Lower Peninsula.
Conservation: Not usually required.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Taxonomy Notes:

Images of Eacles imperialis

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Eacles imperialis - Eacles-imperialis-Bob-Moul-231.jpg

Eacles imperialis - Eacles-imperialis-Bob-Moul-231.jpg

Eacles imperialis - Eacles_imperialisTXTravis05September08KellyMortensen.jpg

Eacles imperialis - Eacles_imperialisTXTravis05September08KellyMortensen.jpg
Eacles imperialis - Eacles_imperialisTXTravis05September08KellyMortensen2.jpg

Eacles imperialis - Eacles_imperialisTXTravis05September08KellyMortensen2.jpg
Eacles imperialis - Eacles_imperialis-RayHelman.jpg

Eacles imperialis - Eacles_imperialis-RayHelman.jpg
Eacles imperialis - Eacles_imperialisRumple1.jpg

Eacles imperialis - Eacles_imperialisRumple1.jpg
Eacles imperialis - ImperialMothlarva-Simons.jpg

Eacles imperialis - ImperialMothlarva-Simons.jpg
Eacles imperialis - ImperialMoth-Simons.jpg

Eacles imperialis - ImperialMoth-Simons.jpg


The map below displays all BAMONA data for this species and has three different data layers:
1. All records (yellow dots)   2. Recently verified records (orange dots)*   3. US county records (purple)

There are also three base layers: 1. Satellite    2. Normal   3. Hybrid

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*The orange dots on the map provide access to information about the 400 most recently verified sightings of this species. Sometimes, there are several records at the same location. Use the table view to access these records.

By default, the fifty most recently verified sightings are below. Sort by Observation Date to see the most recent sightings, or filter the sightings by region to get a regional list.

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Observation Date Submitter Region Verified Datesort icon
June 18, 2005 neilds37 Louisa County, Iowa, United States September 02, 2014 Details
August 28, 2014 kalakakane Vernon Parish, Louisiana, United States August 31, 2014 Details
August 28, 2014 Jan Hunter St Joseph County, Indiana, United States August 30, 2014 Details
August 24, 2014 H. Hooper Leon County, Florida, United States August 28, 2014 Details
August 23, 2014 Dave McKenna Ontario, Canada August 27, 2014 Details
August 26, 2014 jjflossem Hernando County, Florida, United States August 26, 2014 Details
August 26, 2014 jjflossem Hernando County, Florida, United States August 26, 2014 Details
August 26, 2014 jjflossem Hernando County, Florida, United States August 26, 2014 Details
August 26, 2014 jjflossem Hernando County, Florida, United States August 26, 2014 Details
August 21, 2014 Beverly Carter Marion County, Arkansas, United States August 23, 2014 Details
August 23, 2014 Roundhouse Walton County, Florida, United States August 23, 2014 Details
July 20, 2014 froghavenfarm Hickman County, Tennessee, United States August 21, 2014 Details
August 20, 2014 jjflossem Hernando County, Florida, United States August 21, 2014 Details
August 20, 2014 RNsimmons Sampson County, North Carolina, United States August 20, 2014 Details
August 18, 2014 hydiee21 Escambia County, Florida, United States August 19, 2014 Details
August 04, 2014 michaeloberg Benton County, Missouri, United States August 19, 2014 Details
August 16, 2014 Alicat27 Ontario, Canada August 19, 2014 Details
August 18, 2014 Clmiller Ohio, United States August 18, 2014 Details
August 02, 2014 Carolyn Weaver Cochise County, Arizona, United States August 18, 2014 Details
August 16, 2014 rreid2452 Danville City County, Virginia, United States August 16, 2014 Details
August 16, 2014 su lukow Wake County, North Carolina, United States August 16, 2014 Details
August 14, 2014 CoCoButter Suwannee County, Florida, United States August 16, 2014 Details
August 15, 2014 crazybutterfly89 Duval County, Florida, United States August 15, 2014 Details
August 15, 2014 Shelley Rutkin Forsyth County, North Carolina, United States August 15, 2014 Details
August 14, 2014 jennah Boyd County, Kentucky, United States August 15, 2014 Details
August 15, 2014 Anne P Acuff Kershaw County, South Carolina, United States August 15, 2014 Details
August 08, 2014 rosedrakon Pittsylvania County, Virginia, United States August 14, 2014 Details
July 26, 2014 AllenRatz Buncombe County, North Carolina, United States August 14, 2014 Details
August 12, 2014 Carla Sellers Monroe County, Tennessee, United States August 12, 2014 Details
August 12, 2014 Colininnes Stafford County, Virginia, United States August 12, 2014 Details
August 09, 2014 mctagg Ontario, Canada August 11, 2014 Details
August 08, 2014 Loraye Osborne North Carolina, United States August 09, 2014 Details
August 08, 2014 Vince2007 Duval County, Florida, United States August 09, 2014 Details
August 04, 2014 susansiroki Adams County, Pennsylvania, United States August 09, 2014 Details
August 08, 2014 defiantleek Tennessee, United States August 08, 2014 Details
August 03, 2014 KristyBaker DeKalb County, Tennessee, United States August 06, 2014 Details
July 29, 2014 Diana Dexter Cole County, Missouri, United States August 05, 2014 Details
August 05, 2014 J3nRS Sarasota County, Florida, United States August 05, 2014 Details
August 01, 2014 celiasmith Lyon County, Kentucky, United States August 04, 2014 Details
August 03, 2014 baakaa Northampton County, Pennsylvania, United States August 04, 2014 Details
July 28, 2014 jennifereh Grundy County, Illinois, United States August 04, 2014 Details
July 31, 2014 gene_stum Prince Georges County, Maryland, United States August 03, 2014 Details
August 03, 2014 NatChap Habersham County, Georgia, United States August 03, 2014 Details
August 03, 2014 Planty Buncombe County, North Carolina, United States August 03, 2014 Details
August 02, 2014 glyn426 Montgomery County, Pennsylvania, United States August 02, 2014 Details
July 29, 2014 naemyers06 Hardin County, Ohio, United States August 01, 2014 Details
August 01, 2014 gmilanov Anderson County, Tennessee, United States August 01, 2014 Details
July 29, 2014 jose88 Montgomery County, Pennsylvania, United States August 01, 2014 Details
July 31, 2014 ddodd Marshall County, Alabama, United States August 01, 2014 Details
July 22, 2014 bneyman Fairfax County, Virginia, United States July 31, 2014 Details