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)

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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
September 06, 2016 Kmccool Georgia, United States September 24, 2016 Details
September 14, 2016 Jendenuvaden DeKalb County, Georgia, United States September 24, 2016 Details
September 22, 2016 Betteagues81 DeKalb County, Georgia, United States September 24, 2016 Details
September 24, 2016 Naturetom Prince Georges County, Maryland, United States September 24, 2016 Details
September 22, 2016 vs3865 Mecklenburg County, North Carolina, United States September 23, 2016 Details
September 18, 2016 GregWilliams Blair County, Pennsylvania, United States September 19, 2016 Details
September 17, 2016 skulbalski Howard County, Maryland, United States September 18, 2016 Details
September 17, 2016 naturefascinates Henderson County, North Carolina, United States September 18, 2016 Details
September 10, 2016 MegxMag Buchanan County, Missouri, United States September 17, 2016 Details
August 29, 2016 turkeytyler888 Boone County, Missouri, United States September 16, 2016 Details
September 04, 2016 Jenny2dogged Clay County, Missouri, United States September 16, 2016 Details
September 15, 2016 Sugarxsweet1 Montgomery County, Maryland, United States September 15, 2016 Details
September 15, 2016 nanhutchinson Bucks County, Pennsylvania, United States September 15, 2016 Details
September 14, 2016 Slr2749 Frederick County, Virginia, United States September 14, 2016 Details
August 02, 2016 treichard Anne Arundel County, Maryland, United States September 14, 2016 Details
July 22, 2016 sefraser Fulton County, Georgia, United States September 13, 2016 Details
August 11, 2016 Eric the Cleric Houston County, Georgia, United States September 13, 2016 Details
August 20, 2016 snakeowl Fulton County, Georgia, United States September 13, 2016 Details
September 13, 2016 Gregdm32 Lehigh County, Pennsylvania, United States September 13, 2016 Details
July 26, 2016 DBourque Ohio County, West Virginia, United States September 10, 2016 Details
September 10, 2016 Loisreads Chester County, Pennsylvania, United States September 10, 2016 Details
September 09, 2016 LaginaM91 Schuyler County, Illinois, United States September 10, 2016 Details
August 26, 2015 Thomjheller Washtenaw County, Michigan, United States September 09, 2016 Details
July 22, 2016 curtis.lehman (Mike Weible) Venango County, Pennsylvania, United States September 09, 2016 Details
September 03, 2016 Diamondgirl1007 Bastrop County, Texas, United States September 08, 2016 Details
September 04, 2016 Rachelelysse Austin County, Texas, United States September 08, 2016 Details
September 08, 2016 bigbuck Washington County, Maryland, United States September 08, 2016 Details
August 08, 2016 FalconMrs1185 Chester County, Pennsylvania, United States September 08, 2016 Details
September 07, 2016 Gregherr1978 Lebanon County, Pennsylvania, United States September 07, 2016 Details
September 06, 2016 Sarahsall Lancaster County, Pennsylvania, United States September 06, 2016 Details
September 04, 2016 Amy Burchett Ripley County, Indiana, United States September 05, 2016 Details
September 05, 2016 Ashers83 Sangamon County, Illinois, United States September 05, 2016 Details
September 05, 2016 erinandjoy Maryland, United States September 05, 2016 Details
September 04, 2016 k0987 Boone County, Illinois, United States September 05, 2016 Details
September 03, 2016 rebeccaj Buncombe County, North Carolina, United States September 04, 2016 Details
September 03, 2016 bluemarsh19 Berks County, Pennsylvania, United States September 03, 2016 Details
September 03, 2016 karensomerton Lake County, Indiana, United States September 03, 2016 Details
September 02, 2016 Nrtsang Maryland, United States September 02, 2016 Details
August 26, 2016 koryandcara Hendricks County, Indiana, United States August 30, 2016 Details
August 30, 2016 Luckyduck81583 Clark County, Arkansas, United States August 30, 2016 Details
August 27, 2016 CMatzell St Lawrence County, New York, United States August 28, 2016 Details
August 28, 2016 dfoulser Dukes (Martha's Vineyard) County, Massachusetts, United States August 28, 2016 Details
August 25, 2016 Lcedwar McLean County, Illinois, United States August 27, 2016 Details
July 23, 2016 jpburke Linn County, Iowa, United States August 26, 2016 Details
August 03, 2016 isufiredog Pottawattamie County, Iowa, United States August 26, 2016 Details
August 21, 2016 Karla J. Ott Dane County, Wisconsin, United States August 24, 2016 Details
August 23, 2016 Gavinbugman Texas, United States, Wood County August 23, 2016 Details
August 02, 2016 iangardner Lebanon County, Pennsylvania, United States August 22, 2016 Details
July 25, 2016 lilkriskattn Sequatchie County, Tennessee, United States August 21, 2016 Details
July 27, 2016 johnmiller Bradley County, Tennessee, United States August 21, 2016 Details