Nature School Game Contact Blog Project Noah Facebook Project Noah Twitter

A global citizen science platform
to discover, share and identify wildlife

Join Project Noah!
nature school apple icon

Nature School For Teachers - Fall 2020 Launch! visit nature school

Royal Walnut Moth

Citheronia regalis


The regal moth (Citheronia regalis), also called the royal walnut moth, is a North American moth in the saturniidae family. The caterpillars are called hickory horned devils. The adult has a wingspan of 9.5-15.5 cm.


Deciduous woods, ranging from New York west through southern Michigan and Illinois to eastern Kansas; south to central Florida, the Gulf states, and east Texas.


Spotted- Red River Gorge, KY.

Species ID Suggestions

Sign in to suggest organism ID

1 Comment

lori.tas 9 years ago

That's an awesome insect.

Spotted by

Kentucky, USA

Spotted on Jul 10, 2010
Submitted on Feb 10, 2011

Related Spottings

Citheronia Laocoon Citheronia laocoon Citheronia laocoon Regal moth

Nearby Spottings

Erect Trillium Wild Geranium Eastern Newt Spotting