Hyalophora euryalus

Hyalophora euryalus, the ceanothus silkmoth, is a moth of the family Saturniidae. It is found in the dry intermontane valleys and interior of British Columbia, Canada, (as far north as Prince George along the Fraser River) south to Baja California in Mexico. The species was first described by Jean Baptiste Boisduval in 1855.

Hyalophora euryalus
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Saturniidae
Genus: Hyalophora
Species:
H. euryalus
Binomial name
Hyalophora euryalus
Boisduval, 1855
Synonyms
  • Saturnia euryalus
  • Hyalophora californica
  • Hyalophora ceanothi
  • Samia rubra
  • Hyalophora parvimacula
  • Hyalophora kasloensis
  • Samia euryalus

The wingspan is 89–127 mm. Adults are on wing from January to July depending on the location. There is one generation per year.

The larvae feed on Ceanothus, Rhamnus californica, Prunus emarginata, Arctostaphylos, Alnus, Betula, Corylus, Ribes, Pseudotsuga menziesii, Arbutus menziesii and Salix.

  • Robinson, E. & Schmidt, B. C. "Species Details Hyalophora euryalus". University of Alberta Museums. E.H. Strickland Entomological Museum. Retrieved November 8, 2020.
  • Lotts, Kelly & Naberhaus, Thomas (2017). "Ceanothus silkmoth Hyalophora euryalus (Boisduval, 1855)". Butterflies and Moths of North America. Retrieved November 11, 2018.


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