Imperial Moth (Eacles imperialis)

Order: Lepidoptera
Family: Saturniidae
Genus: Eacles
Species: imperialis


This bug has been reportedly found in the following regions:

Mc Calla, Alabama
Malvern, Arkansas
Beverly Hills, Florida
Bonita Springs, Florida
Melbourne, Florida
Palm Bay, Florida
Winter Garden, Florida
Winter Springs, Florida
Alpharetta, Georgia
Barnesville, Georgia
Cartersville, Georgia
Oxford, Georgia
Alexis, Illinois
Barrington, Illinois
Carpentersville, Illinois
Edwardsville, Illinois
Momence, Illinois
Spring Grove, Illinois
Ames, Iowa
Bettendorf, Iowa
Burlington, Iowa
Nichols, Iowa
Urbandale, Iowa
West Des Moines, Iowa
Benton, Kentucky
Chaplin, Kentucky
Greenville, Kentucky
Thibodaux, Louisiana
Fallston, Maryland
Pasadena, Maryland
Randallstown, Maryland
West Tisbury, Massachusetts
Kalamazoo, Michigan
Kansas City, Missouri
Lathrop, Missouri
Blairstown, New Jersey
Howell, New Jersey
Gouverneur, New York
Apex, North Carolina
Elizabeth City, North Carolina
Newland, North Carolina
Glouster, Ohio
Williamsburg, Ohio
Talihina, Oklahoma
Alexandria, Pennsylvania
Bath, Pennsylvania
Elkins Park, Pennsylvania
Lititz, Pennsylvania
Austin, Texas (3 reports)
College Station, Texas
Converse, Texas
Dickinson, Texas
Kempner, Texas
League City, Texas
New Caney, Texas
San Antonio, Texas (2 reports)
Victoria, Texas
Chesapeake, Virginia
Fredericksburg, Virginia
Leesburg, Virginia
Lynchburg, Virginia
Nokesville, Virginia
Berkeley Springs, West Virginia
Poynette, Wisconsin
Salem, Wisconsin
Show all

Members' Notes:


On Aug 20, 2020, jjwestra from Kalamazoo, MI wrote:

Just found my first Imperial moth caterpillar!!! It is beautiful! I raise Monarch cats so I think my kids and I will give this one a try too! Kalamazoo, MI


On Sep 25, 2018, _Megg_ from Bloomfield, KY wrote:

I found two imperial caterpillars in my yard, I kept them for a few days and both cocooned!! I think these things are so amazing and interesting


On Aug 10, 2017, Pussycat69 from Elkins Park, PA wrote:

A female Imperial Moth let me pick her up from my porch walkway today. First time I have seen one! Philadelphia, PA
August 10, 2017


On Apr 4, 2016, alice_penn from Spring Hill, FL wrote:

just went outside and there is a Imperial moth. Very big. Thank you for pictures on your site for us to see what we find.


On Jun 13, 2015, annram from Barrington, IL wrote:

Found in Tower Lakes (Barrington), IL -- June 13, 2015 in the vicinity of Colorado blue spruce and red oak trees with wings beginning to grow. Within a couple of hours, it had a much shorter caterpillar body, but giant wings - 5" across. Going by pictures on the internet, this is female.


On Jul 19, 2014, finisht from Poynette, WI wrote:

I found this Male Imperial Moth hanging out on my bricks for several days. I have never seen one like it before, So I looked it up. He is Beautiful!


On Jul 11, 2012, 2012Susan from Carpentersville, IL wrote:

I found this beautiful moth on my front porch this morning and it is still there! I would like to know what kind of nest this moth uses - I understand it is a type of silkworm? I found a sack-like nest on an ornamental tree in my backyard and wonder????


On Nov 23, 2010, chrisnvictoria from Victoria, TX wrote:

I found one of these little guys scootin across the sidewalk at the apartments I manage. I am going to take him home and see how he does there. I currently have 3 Wooly Bear Caterpillars that I am guessing are going to overwinter until January. Maybe this little guy will do something before then.


On Oct 29, 2009, fairydustpink89 from Winter Garden, FL wrote:

I rescued an Imperial Moth about a week ago and it's now in its cacoon stage. It was a gorgeous caterpillar and, from research, will be so gorgeous as a moth.

My kids (I'm a nanny) absolutely loved playing with the caterpillar, but we're releasing "Bob" the day after he comes out of his cocoon.


On Jul 5, 2009, April9024 from Kansas City, MO wrote:

Most beautiful moth. I had never seen one. Found it on my back porch, so I just had to take pics. It's wingspan was approx 5".


On Aug 3, 2008, GimpyGrandma from Lynchburg, VA wrote:

This moth measured at least 6 inches from wing tip to wing tip.


On Jul 29, 2008, NayButterfly from Burlington, IA (Zone 5a) wrote:

My 6 year old daughter and I found this moth just hanging out on our front porch! We were amazed at how big this moth is. It was about the size of my hand, a good 4 inches or so across and about 3 inches or so long!
All the neighbors and other family members came over and took a look. We looked it up on the internet and that's when we found out it is an Imperial Moth.
It stayed there for 3 days, each day it was in a different spot but still on the front porch, until it left.
It was so cute, fuzzy and peaceful. None of us have ever seen one of these before, so it was just as exciting to the adults as it was for the kids!


On Jul 16, 2008, astronomy from West Des Moines, IA wrote:

July 15, 2008
I was coming out of the Art Center in Des Moines,
Iowa and saw this moth on the steps. The area is wooded.
Our grandson put it in a jar and brought it home. We were
all amazed at the wingspan and had never seen any insect
like this. We looked it up on your web site and saw it matched
perfectly to the imperial moth.
We released it back at the Art Center for its food source. The folks
at the Polk County conservation office said it was not harmful
to my garden or trees.


On Jul 13, 2008, LunamothMama from Vineyard Haven, MA wrote:

I was hanging laundry this afternoon and happened to look down on the ground and spy this beautiful Imperial Moth! it's wingspan is about 4" and is just a brilliant shade of yellow with dusty purple striations on the wings. I moved him carefully away from where he was, i have a 3 year old daughter and i was afraid he'd get squished.... so he is now happily hanging out on my lowbush blueberries!

according to Wikipedia there is an actual colony of these moths here on Martha's Vineyard but this is the first i have seen.

i will contribute a photo shortly....


On Jul 1, 2007, cash4rash from Swisher, IA wrote:

June 30th, 2007

My husband and I was on our way to Keokuk, Iowa to get a load of coal in the semi bright and early Saturday morning. We stopped at a truckstop outside Ainsworth, Iowa and this moth was resting on a pole. It is HUGE and Beautiful. Never seen one before!!!!


On Jul 24, 2006, melody from Benton, KY (Zone 7a) wrote:

With a wingspan that sometimes reaches 5 7/8", the Imperial Moth is one of the most striking moths in North America.

It's habitat is Deuciduous and mixed forests and the catepillar feeds on broad leaved tree foliage and conferous needles.

They are most commonly seen between June and August. This moth is starting to become rare in areas where there are many streetlights, as they come to the lights at night and birds eat them the next morning.