Attributes of Citheronia regalis

Royal Walnut Moth
Citheronia regalis (Fabricius, 1793)

Family: Saturniidae
Subfamily: Ceratocampinae
Identification: Females are larger than males. Upperside of forewing is gray with red-orange veins and creamy yellow spots. Upperside of hindwing is orange with creamy yellow at the costa and inner margin.
Wing Span: 3 15/16 - 6 1/4 inches (10 - 16 cm).
Life History: Adults emerge in late evening and mate the following evening. Females begin laying eggs at dusk the next day, depositing them in groups of 1-3 on both sides of host plant leaves. Eggs hatch within 6-10 days, and the caterpillars (known as the Hickory Horned Devil) feed alone. Young caterpillars rest on the tops of leaves and resemble bird droppings, while older caterpillars appear menacing because they are very large and brightly colored with red "horns" near the head. Caterpillars pupate in a burrow in the soil.
Flight: One brood from May through mid-September.
Caterpillar Hosts: Hickories (Carya), pecan (C. illinoensis), butternut (Juglans cinerea), black walnut (J. nigra), sweet gum (Liquidambar styraciflua), persimmon (Diospyros virginiana), sumacs (Rhus), cultivated cotton (Gossypium), and others.
Adult Food: Adults do not feed.
Habitat: Deciduous woods.
Range: New York west through southern Michigan and Illinois to eastern Kansas; south to central Florida, the Gulf states, and east Texas.
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 Citheronia regalis

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Citheronia regalis - Citheronia-regalis-Bob-Moul-233.jpg

Citheronia regalis - Citheronia-regalis-Bob-Moul-233.jpg

Citheronia regalis - HickoryHornedDevil-Simons.jpg

Citheronia regalis - HickoryHornedDevil-Simons.jpg
Citheronia regalis - Citheronia_regalisMason.jpg

Citheronia regalis - Citheronia_regalisMason.jpg
Citheronia regalis - Citheronia_regalis2Mason.jpg

Citheronia regalis - Citheronia_regalis2Mason.jpg
Citheronia regalis - Citheronia_regalis3Mason.jpg

Citheronia regalis - Citheronia_regalis3Mason.jpg

Citheronia regalis - Citheronia_regalisTerri1a.jpg

Citheronia regalis - Citheronia_regalisTerri1a.jpg
Citheronia regalis - Citheronia_regalisLorna.jpg

Citheronia regalis - Citheronia_regalisLorna.jpg
Citheronia regalis - Citheronia_regalis_caterpillarWilson.jpg

Citheronia regalis - Citheronia_regalis_caterpillarWilson.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
August 30, 2015 steveraabe Washington County, Maryland, United States August 31, 2015 Details
August 30, 2015 Kurt R. Schwarz Howard County, Maryland, United States August 30, 2015 Details
August 30, 2015 Muskie Summit County, Ohio, United States August 30, 2015 Details
August 13, 2015 jwlankfo Greenville County, South Carolina, United States August 16, 2015 Details
August 08, 2015 Rahn Gwinnett County, Georgia, United States August 14, 2015 Details
August 14, 2015 carleypasq Allegheny County, Pennsylvania, United States August 14, 2015 Details
August 14, 2015 Bgray516 Marion County, Florida, United States August 14, 2015 Details
August 09, 2015 roseanna Pulaski County, Kentucky, United States August 13, 2015 Details
July 16, 2015 Droseblade32211 Phelps County, Missouri, United States August 11, 2015 Details
August 06, 2015 cntaylo New Castle County, Delaware, United States August 06, 2015 Details
September 10, 2014 Mary Copeland Marshall County, Alabama, United States July 26, 2015 Details
July 26, 2015 jjflossem Polk County, North Carolina, United States July 26, 2015 Details
July 26, 2015 Haupperle Hunterdon County, New Jersey, United States July 26, 2015 Details
July 18, 2015 froghavenfarm Hickman County, Tennessee, United States July 25, 2015 Details
July 25, 2015 Exayevie Marion County, Indiana, United States July 25, 2015 Details
July 25, 2015 lrnichols Tyler County, West Virginia, United States July 25, 2015 Details
July 24, 2015 iinv003 Union County, North Carolina, United States July 24, 2015 Details
July 24, 2015 Matt19 Greenville County, South Carolina, United States July 24, 2015 Details
July 16, 2015 Pendy1590 Lehigh County, Pennsylvania, United States July 21, 2015 Details
July 19, 2015 Marvin Smith Searcy County, Arkansas, United States July 20, 2015 Details
July 14, 2015 baird.beverly Orange County, Indiana, United States July 19, 2015 Details
July 15, 2015 4Ever0311 Charleston County, South Carolina, United States July 17, 2015 Details
July 03, 2015 sallygirl Georgia, Stewart County, United States July 16, 2015 Details
July 11, 2015 digginflowers Dauphin County, Pennsylvania, United States July 11, 2015 Details
July 10, 2015 TracyFox2014 Pasco County, Florida, United States July 10, 2015 Details
June 30, 2015 neeter Powell County, Kentucky, United States July 07, 2015 Details
July 03, 2015 treichard Allegany County, Maryland, United States July 06, 2015 Details
July 03, 2015 Tonia_Borman Jackson County, Ohio, United States July 04, 2015 Details
July 01, 2015 LadyRaven Wayne County, Indiana, United States July 01, 2015 Details
June 12, 2015 kewood7 Calvert County, Maryland, United States June 13, 2015 Details
May 20, 2015 grandpadude Walton County, Florida, United States May 20, 2015 Details
July 12, 2014 disteffv Berks County, Pennsylvania, United States November 16, 2014 Details
September 27, 2014 curtis.lehman Fayette County, Pennsylvania, United States September 28, 2014 Details
September 20, 2014 curtis.lehman (Margaret Higbee) Indiana County, Pennsylvania, United States September 20, 2014 Details
September 14, 2014 Rpowell111 Columbiana County, Ohio, United States September 15, 2014 Details
September 07, 2014 jocarl17 Allegheny County, Pennsylvania, United States September 07, 2014 Details
September 04, 2014 Stuart Marcus Texas, Liberty County, United States September 05, 2014 Details
September 01, 2014 derek.ware Cleveland County, North Carolina, United States September 02, 2014 Details
July 27, 2014 Carolann Roussin Alabama, United States August 26, 2014 Details
July 21, 2014 froghavenfarm Hickman County, Tennessee, United States August 21, 2014 Details
July 29, 2014 jennah Boyd County, Kentucky, United States August 15, 2014 Details
August 04, 2014 gabenn2 Levy County, Florida, United States August 04, 2014 Details
August 01, 2014 orders4147 Montgomery County, Pennsylvania, United States August 02, 2014 Details
July 30, 2014 NickMcG0027 Prince William County, Virginia, United States July 31, 2014 Details
July 25, 2014 patrick27 Mecklenburg County, North Carolina, United States July 29, 2014 Details
July 28, 2014 Phoenixfisher Watauga County, North Carolina, United States July 29, 2014 Details
July 29, 2014 flacracker Harlan County, Kentucky, United States July 29, 2014 Details
July 29, 2014 jweiland86 Cape May County, New Jersey, United States July 29, 2014 Details
July 22, 2014 Sarpskar Allegheny County, Pennsylvania, United States July 24, 2014 Details
July 18, 2014 mpb5536 Montgomery County, Pennsylvania, United States July 22, 2014 Details