Hyalophora euryalus
Encyclopedia
The Ceanothus Silkmoth is a moth
of the Saturniidae
family. It is found in the dry intermontane valleys and interior of British Columbia
(as far north as Prince George along the Fraser River) south to Baja California
.
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 larva
e feed on Ceanothus
, Rhamnus californica
, Prunus emarginata, Arctostaphylos
, Alnus, Betula, Corylus, Ribes
, Pseudotsuga menziesii, Arbutus menziesii and Salix.
Moth
A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...
of the Saturniidae
Saturniidae
The Saturniidae, commonly known as saturniids, are among the largest and most spectacular of the moths. They form a family of Lepidoptera, with an estimated 1,300 to 1,500 described species worldwide...
family. It is found in the dry intermontane valleys and interior of British Columbia
British Columbia
British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...
(as far north as Prince George along the Fraser River) south to Baja California
Baja California
Baja California officially Estado Libre y Soberano de Baja California is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is both the northernmost and westernmost state of Mexico. Before becoming a state in 1953, the area was known as the North...
.
The wingspan
Wingspan
The wingspan of an airplane or a bird, is the distance from one wingtip to the other wingtip. For example, the Boeing 777 has a wingspan of about ; and a Wandering Albatross caught in 1965 had a wingspan of , the official record for a living bird.The term wingspan, more technically extent, is...
is 89-127 mm. Adults are on wing from January to July depending on the location. There is one generation per year.
The larva
Larva
A larva is a distinct juvenile form many animals undergo before metamorphosis into adults. Animals with indirect development such as insects, amphibians, or cnidarians typically have a larval phase of their life cycle...
e feed on Ceanothus
Ceanothus
Ceanothus L. is a genus of about 50–60 species of shrubs or small trees in the buckthorn family Rhamnaceae. The genus is confined to North America, the center of its distribution in California, with some species in the eastern United States and southeast Canada, and others extending as far south...
, Rhamnus californica
Rhamnus californica
Rhamnus californica , is called coffeeberry because its berries contain seeds which look like coffee beans—it is also called California buckthorn...
, Prunus emarginata, Arctostaphylos
Arctostaphylos
Arctostaphylos is a genus of plants comprised by the manzanitas and bearberries. They are shrubs or small trees.There are about 60 species of Arctostaphylos, ranging from ground-hugging arctic, coastal, and mountain species to small trees up to 6 m tall. Most are evergreen , with small oval...
, Alnus, Betula, Corylus, Ribes
Ribes
Ribes is a genus of about 150 species of flowering plants native throughout the temperate regions of the Northern Hemisphere. It is usually treated as the only genus in the family Grossulariaceae. Seven subgenera are recognized....
, Pseudotsuga menziesii, Arbutus menziesii and Salix.