Attributes of Automeris io

Io moth
Automeris io (Fabricius, 1775)

Family: Saturniidae
Subfamily: Hemileucinae
Identification: Upperside occasionally males from the spring brood will be mostly brown. Female forewings are brown or brownish purple to red and the bands and eyespots may or may not be apparent. Hindwings of both sexes are yellow to brownish orange with yellow or orange margins. Each hindwing has a large black and blue eyespot with a white dash in the middle.
Wing Span: 2 - 3 1/8 inches (5 - 8 cm).
Life History: Adults emerge during late morning or early afternoon, and mating takes place in the late evening. Females lay clumps of eggs on leaves or stems of the host plants. Young caterpillars feed together as a group and move in long "trains" while older caterpillars feed alone. Papery cocoons are spun in litter under the host plant or in crevices.
Flight: One brood in the north from May-June, two to three broods in the south from February-September, several broods throughout the year in the Florida Keys.
Caterpillar Hosts: A variety of plants including hackberry (Celtis), willow (Salix), mesquite (Prosopis), redbud (Cercis), currant (Ribes), blackberry (Rubus), and pear (Pyrus).
Adult Food: Adults do not feed.
Habitat: Deciduous forests, thorn scrub, and suburban areas.
Range: Maine west across southern Canada to southeastern Manitoba, the Dakotas, Nebraska, and Colorado; south to the Florida Keys, the Gulf states, Texas, and New Mexico; Mexico south to Costa Rico.
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 Automeris io

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Automeris io - Automeris_ioTXTylerWandaSmith01Jun08-crop.jpg

Automeris io - Automeris_ioTXTylerWandaSmith01Jun08-crop.jpg
Automeris io - Automeris_ioTXTylerWandaSmith01Jun08-HWcrop.jpg

Automeris io - Automeris_ioTXTylerWandaSmith01Jun08-HWcrop.jpg
Automeris io - Automeris_io_female-Symonds.jpg

Automeris io - Automeris_io_female-Symonds.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 22, 2015 Les in Ohio Guernsey County, Ohio, United States June 25, 2015 Details
June 24, 2015 Cheri Pierce Orange County, Florida, United States June 24, 2015 Details
June 24, 2015 michbirder Clare County, Michigan, United States June 24, 2015 Details
June 10, 2015 froghavenfarm Hickman County, Tennessee, United States June 22, 2015 Details
June 18, 2015 Jay Sturner Knox County, Tennessee, United States June 22, 2015 Details
June 20, 2015 Carol Thornton-Anderson Orange County, Indiana, United States June 20, 2015 Details
June 18, 2015 digginflowers Dauphin County, Pennsylvania, United States June 18, 2015 Details
May 25, 2014 froghavenfarm Lee County, Virginia, United States June 17, 2015 Details
June 17, 2015 Zizz Lincoln County, Tennessee, United States June 17, 2015 Details
June 13, 2015 Bushytail3 Centre County, Pennsylvania, United States June 17, 2015 Details
June 14, 2015 Renee Roma Broome County, New York, United States June 15, 2015 Details
June 13, 2015 eats_crayons Ontario, Canada June 15, 2015 Details
June 04, 2015 DanielSnethen Shannon County, South Dakota, United States June 10, 2015 Details
June 09, 2015 Jarchibold Saratoga County, New York, United States June 10, 2015 Details
July 06, 2014 Macka2grl Broome County, New York, United States May 30, 2015 Details
May 24, 2015 JacobVineyard Knox County, Tennessee, United States May 26, 2015 Details
May 21, 2015 Tom Preney Ontario, Canada May 23, 2015 Details
May 05, 2015 Anne Small Livingston Parish, Louisiana, United States May 09, 2015 Details
May 07, 2015 Redheart Canyonlands Bandera County, Texas, United States May 08, 2015 Details
June 01, 2013 LinRandolph Ashtabula County, Ohio, United States May 06, 2015 Details
October 07, 2010 Margaret and I 1996 Texas, United States, Webb County April 27, 2015 Details
August 04, 2014 Kassie Bovee Gratiot County, Michigan, United States April 11, 2015 Details
May 25, 2014 JHCarpenter Dorchester County, South Carolina, United States April 11, 2015 Details
June 30, 2014 curtis.lehman (Carol Snow Milne) Carbon County, Pennsylvania, United States March 30, 2015 Details
March 17, 2015 snakeowl Monroe County, Florida, United States March 21, 2015 Details
July 04, 2014 AllenRatz Buncombe County, North Carolina, United States February 16, 2015 Details
March 22, 2014 ridgeboy Polk County, Florida, United States January 29, 2015 Details
June 23, 2014 AllenRatz Buncombe County, North Carolina, United States January 29, 2015 Details
June 25, 1979 Indy Entomologist Tippecanoe County, Indiana, United States January 27, 2015 Details
July 01, 1982 Indy Entomologist White County, Indiana, United States January 25, 2015 Details
July 21, 1981 Indy Entomologist Carroll County, Indiana, United States January 22, 2015 Details
May 06, 2009 Indy Entomologist Boone County, Indiana, United States January 14, 2015 Details
June 01, 2014 Sue Gregoire Schuyler County, New York, United States January 09, 2015 Details
July 07, 2014 TeaKH Barnstable County, Massachusetts, United States January 03, 2015 Details
August 03, 2014 soluslupus13 Ontario, Canada December 29, 2014 Details
November 25, 2014 Loren33498 Palm Beach County, Florida, United States December 22, 2014 Details
May 30, 2014 curtis.lehman (Jerry McWilliams) Jefferson County, Pennsylvania, United States December 22, 2014 Details
June 19, 2014 CathK Albany County, New York, United States December 14, 2014 Details
June 17, 2014 mbove Orleans County, New York, United States December 13, 2014 Details
June 09, 2014 loretar Schuyler County, New York, United States December 10, 2014 Details
June 09, 2014 loretar New York, United States December 10, 2014 Details
July 07, 2014 sheath Brazoria County, Texas, United States December 08, 2014 Details
December 01, 2014 jjflossem Hernando County, Florida, United States December 01, 2014 Details
November 26, 2014 EvHumphries Hays County, Texas, United States November 26, 2014 Details
September 15, 2014 DinaKeithLakehouse Pike County, Pennsylvania, United States September 15, 2014 Details
September 06, 2014 sshively Rapides Parish, Louisiana, United States September 08, 2014 Details
September 06, 2014 krichard Alachua County, Florida, United States September 06, 2014 Details
September 02, 2014 CA Ivy Sebastian County, Arkansas, United States September 03, 2014 Details
August 23, 2014 jjflossem Manatee County, Florida, United States August 24, 2014 Details
August 21, 2014 Mrsmedeiros Seminole County, Florida, United States August 21, 2014 Details