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
July 17, 2015 toddconway Winneshiek County, Iowa, United States August 01, 2015 Details
July 29, 2015 DazedandConfuzed Monmouth County, New Jersey, United States August 01, 2015 Details
July 29, 2015 CracklnRosie Montgomery County, Maryland, United States July 30, 2015 Details
July 30, 2015 Ivyjnkyrd Buncombe County, North Carolina, United States July 30, 2015 Details
July 26, 2015 Winter Ontario, Canada July 29, 2015 Details
July 27, 2015 Katie99 Allegany County, Maryland, United States July 28, 2015 Details
July 26, 2015 kigermom Eaton County, Michigan, United States July 28, 2015 Details
July 20, 2015 Moon Guilford County, North Carolina, United States July 27, 2015 Details
July 23, 2015 kmm0415 Pickens County, South Carolina, United States July 27, 2015 Details
July 24, 2015 stomlins701 Cocke County, Tennessee, United States July 27, 2015 Details
July 26, 2015 jjflossem Polk County, North Carolina, United States July 26, 2015 Details
July 26, 2015 Eastert Jefferson County, Missouri, United States July 26, 2015 Details
July 20, 2015 Marvin Smith Searcy County, Arkansas, United States July 25, 2015 Details
July 24, 2015 digginflowers Lebanon County, Pennsylvania, United States July 24, 2015 Details
July 24, 2015 David Wayne Hartman New Castle County, Delaware, United States July 24, 2015 Details
July 23, 2015 digginflowers Dauphin County, Pennsylvania, United States July 23, 2015 Details
July 23, 2015 Tino Kent County, Delaware, United States July 23, 2015 Details
July 15, 2015 digginflowers Lebanon County, Pennsylvania, United States July 21, 2015 Details
July 21, 2015 Marjo Indiana, United States July 21, 2015 Details
July 21, 2015 Sankatyhead Ontario, Canada July 21, 2015 Details
July 19, 2015 Roger Weaver Lancaster County, Pennsylvania, United States July 20, 2015 Details
July 20, 2015 jwilkinson Howard County, Maryland, United States July 20, 2015 Details
July 19, 2015 Charlene Sullivan Cambria County, Pennsylvania, United States July 19, 2015 Details
July 08, 2015 prairieskys Page County, Iowa, United States July 17, 2015 Details
July 16, 2015 Lauren Kane Cook County, Illinois, United States July 16, 2015 Details
July 16, 2015 lurker Boone County, Missouri, United States July 16, 2015 Details
July 11, 2015 KMusser Lancaster County, Pennsylvania, United States July 16, 2015 Details
July 16, 2015 adamholli Tazewell County, Virginia, United States July 16, 2015 Details
July 15, 2015 Lynda Welch Ontario, Canada July 15, 2015 Details
July 14, 2015 Ellyne Whiteside County, Illinois, United States July 14, 2015 Details
July 13, 2015 digginflowers Dauphin County, Pennsylvania, United States July 13, 2015 Details
July 13, 2015 Mystic117 Allegan County, Michigan, United States July 13, 2015 Details
July 12, 2015 SpadGuy Pendleton County, West Virginia, United States July 13, 2015 Details
July 09, 2015 Theresa Hartz Pickens County, Georgia, United States July 12, 2015 Details
July 12, 2015 ralphbro Miami County, Kansas, United States July 12, 2015 Details
July 12, 2015 hzweibohmer Fayette County, Iowa, United States July 12, 2015 Details
July 12, 2015 taylorcreek Albemarle County, Virginia, United States July 12, 2015 Details
July 12, 2015 CK8IYO Highland County, Ohio, United States July 12, 2015 Details
July 10, 2015 Duncan-hallock McLean County, Illinois, United States July 11, 2015 Details
July 08, 2015 jjflossem Hernando County, Florida, United States July 09, 2015 Details
July 08, 2015 Barbie McL Coles County, Illinois, United States July 08, 2015 Details
July 08, 2015 mrphines Will County, Illinois, United States July 08, 2015 Details
July 07, 2015 geonerd68 Washington County, Pennsylvania, United States July 07, 2015 Details
July 04, 2015 Trailmaker Jefferson County, Ohio, United States July 04, 2015 Details
June 10, 2015 Chris Blomme Ontario, Canada July 03, 2015 Details
June 21, 2015 DcN Ontario, Canada June 27, 2015 Details
June 26, 2015 MikeWoolsey05 Indiana, United States June 26, 2015 Details
June 13, 2015 annram Lake County, Illinois, United States June 13, 2015 Details
June 13, 2015 annram Lake County, Illinois, United States June 13, 2015 Details
June 10, 2015 Sue Cushing Ontario, Canada June 10, 2015 Details