Robert Thompson / Regal moth (Citheronia regalis) resting, Maryland, USA. May.

Robert Thompson / Regal moth (Citheronia regalis) resting, Maryland, USA. May.

Robert Thompson / Hickory horned devil moth (Citheronia regalis) male resting on tree trunk, Eastern USA, June

Doug Wechsler / Hickory horned devil / Royal walnut moth pupa {Citheronia regalis} Pennsylvania, USA - chrysalis

Rupert Barrington / Eggs of Hickory horned devil moth {Citheronia regalis} Florida, USA

Robert Thompson / Regal moth (Citheronia regalis) resting on leaf with black background.