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

Click on an image to view full size and to see additional details.



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

How to use the map:
Click on the map and move your mouse to pan.
Zoom by using the plus [+] and minus [-] on the left side of the map.
To change which map layers are displayed, click on the plus sign [+] on the right side of the map and turn on/off the data layers and base layers.

*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.

See more recently verified sightings of all species.

You don't have Javascript enabled. Hover for more information! But don't worry: you can still use this web site! You have two options:
  • enable Javascript in your browser and then refresh this page, for a much enhanced experience.
  • click the Update button every time you want to update the selection.
Observation Date Submitter Region Verified Datesort icon
July 25, 2014 debraregypt Madison County, Illinois, United States July 27, 2014 Details
July 19, 2014 davmcnaugh Lebanon County, Pennsylvania, United States July 27, 2014 Details
July 17, 2014 Shaina Noggle Orange County, Florida, United States July 27, 2014 Details
November 29, 2013 Shaina Noggle Osceola County, Florida, United States July 27, 2014 Details
July 26, 2014 Shane Miller Beaver County, Pennsylvania, United States July 27, 2014 Details
July 26, 2014 Emc001 Morris County, New Jersey, United States July 27, 2014 Details
July 26, 2014 erica32paulk Dale County, Alabama, United States July 26, 2014 Details
July 26, 2014 Brad Senne Wood County, West Virginia, United States July 26, 2014 Details
July 22, 2014 jjflossem Hernando County, Florida, United States July 26, 2014 Details
July 25, 2014 Emdemt6b Northumberland County, Pennsylvania, United States July 25, 2014 Details
July 22, 2014 daws2kopp Montgomery County, Maryland, United States July 25, 2014 Details
July 20, 2014 roseanna Pulaski County, Kentucky, United States July 24, 2014 Details
July 24, 2014 Jajimmera Georgia, Stephens County, United States July 24, 2014 Details
July 22, 2014 aminer313 Decatur County, Iowa, United States July 24, 2014 Details
July 23, 2014 SarahAudra Fulton County, Ohio, United States July 23, 2014 Details
July 23, 2014 chasboble Howard County, Maryland, United States July 23, 2014 Details
July 23, 2014 chrisdumpert Sussex County, New Jersey, United States July 23, 2014 Details
July 21, 2014 carriekniedler79 Vernon County, Wisconsin, United States July 22, 2014 Details
July 22, 2014 Mapper Johnson County, Illinois, United States July 22, 2014 Details
July 22, 2014 BennyWorth Buncombe County, North Carolina, United States July 22, 2014 Details
July 19, 2014 EGalecki Sangamon County, Illinois, United States July 21, 2014 Details
July 21, 2014 jjflossem Hernando County, Florida, United States July 21, 2014 Details
July 21, 2014 elambi Berks County, Pennsylvania, United States July 21, 2014 Details
July 21, 2014 pooter926 Chester County, Pennsylvania, United States July 21, 2014 Details
July 20, 2014 DawnMalk Polk County, Florida, United States July 20, 2014 Details
July 20, 2014 kcf23 Sarasota County, Florida, United States July 20, 2014 Details
July 19, 2014 dooby76 Lucas County, Ohio, United States July 19, 2014 Details
July 13, 2014 jesmorgan Worcester County, Maryland, United States July 18, 2014 Details
July 18, 2014 themanningtongang Salem County, New Jersey, United States July 18, 2014 Details
July 16, 2014 nelso3dd Menifee County, Kentucky, United States July 16, 2014 Details
July 15, 2014 edcornett York County, Pennsylvania, United States July 16, 2014 Details
July 16, 2014 nbruns Lafayette County, Missouri, United States July 16, 2014 Details
July 14, 2014 jjflossem Hernando County, Florida, United States July 15, 2014 Details
July 14, 2014 ButterflyWatcher1022 Fentress County, Tennessee, United States July 15, 2014 Details
July 08, 2014 Joshua Spence Murray County, Georgia, United States July 11, 2014 Details
July 05, 2014 sandiland Will County, Illinois, United States July 06, 2014 Details
July 06, 2014 Richard L. Becker Duval County, Florida, United States July 06, 2014 Details
July 03, 2014 annwescott Sarasota County, Florida, United States July 04, 2014 Details
June 14, 2014 daveb48 Branch County, Michigan, United States July 01, 2014 Details
June 27, 2014 Gsmith1716 Jefferson County, Alabama, United States June 27, 2014 Details
June 17, 2014 ellesby23 Coshocton County, Ohio, United States June 24, 2014 Details
June 21, 2014 jjflossem Hernando County, Florida, United States June 21, 2014 Details
June 21, 2014 jjflossem Hernando County, Florida, United States June 21, 2014 Details
June 20, 2014 theman Dearborn County, Indiana, United States June 20, 2014 Details
June 17, 2014 redscarf Delaware County, Pennsylvania, United States June 18, 2014 Details
June 05, 2014 lfackler Duval County, Florida, United States June 05, 2014 Details
May 31, 2014 EB424 Hillsborough County, Florida, United States June 01, 2014 Details
June 01, 2014 HLAMBERTSON Knox County, Indiana, United States June 01, 2014 Details
May 26, 2014 ShawnLane Brunswick County, North Carolina, United States June 01, 2014 Details
July 31, 2013 mariannafriend Ashtabula County, Ohio, United States May 31, 2014 Details