Ceanothus Silk Moth

We were asleep in a tent cabin nestled in the Sierra Nevada Mountains of California. In the still of the night, a visitor joined us.

We awoke that morning and were greeted by a huge moth on the wall – almost 4 and a half inches across!

What was it? The moth was beautifully colored in burnt red and adorned with white and black that sometimes gently blended into one another.

It quietly sat on the wall, not moving. We inspected it closer and accidentally disturbed it causing it to clumsily flutter about the small tent cabin room. Interestingly, it found a resting space on a pinecone that was sitting on a small table. We carefully snapped a photo.

This time we gave the large moth more space so we would not disturb it. A quick rummage in a backpack produced a field guide after a few page turns we found the section on Butterflies and Moths. Our visitor was:

Ceanothus Silk Moth
(Hyalophora euryalus)
Giant Silkworm Moth Family

We quietly dressed and departed for coffee and breakfast. The cool air embraced us as we opened the door and gave us a quick shiver. A light appeared as shafts breaking through the wall of tall trees that surrounded us. I understood why the moth found shelter in the moderate warmth of the tent cabin.

When we returned to the cabin the giant moth had departed. We later read more, we had seen an adult Ceanothus Silk Moth. These handsome moths just live for a short time; their primary purpose is to find a mate and lay their eggs to continue their species, after which they die. It seemed harsh, but it was part of a natural cycle. We wished the giant moth good fortune in having a family.

The short life of this moth provided reflection for everyone the rest of the day as we explored the woods.

Location: Sierra Nevada Mountains of California
Source: National Audubon Society Field Guide to California.

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