Location: Escondido, CA (North Inland San Diego)
April 22, 2012 6:11 pm
This moth was found sitting on the wall outside of our garage early this morning (4/22/12) in Escondido, Ca. It is a very large, brown moth and it has eyelash like antennas. It hasn’t moved at all today. I have researched online and cannot seem to figure out what species it is. If you can help, that would be great!
Signature: Kaylynn

Polyphemus Moth

Hi Kaylynn,
This is a male Polyphemus Moth.  The feathery antennae indicate his sex since he used his antennae to sense the pheromones of the female.  Polyphemus Moths are found coast to coast across North America, but west coast sightings are not as common as sighting in the eastern part of the country.

Location: California

19 Responses to Polyphemus Moth

  1. Loretta M. says:

    We found a male specimen on a building in Ramona, Ca. Today! So glad we finally found this picture to identify it! Thanks

  2. stacey says:

    We just found on 8-11-2013 on our house. Thank you for helping us identify it!

  3. Patsy says:

    We are in Indianapolis and there has been a male resting on out porch light all day. Been trying to figure out what he is and just found your site. Thanks

  4. Jennifern says:

    I found this outside the front door this morning. We are in the Coastal range of Oregon.

  5. Jeff says:

    There have been two on the side of my house for three days now. I have pictures, but don’t see how to post them.

    Location: Loma Mar, CA in the Coastal Redwoods of San Mateo County

  6. Surey Rios says:

    Saw one at a Starbucks in Miami, Fl. 4/6/17. Thank you for the identification. 🙂

  7. RRK says:

    Just saw that strange moth this morning on my porch light in Northeast Indiana. I’m so happy I could identify it through your site! I swore it was an alien creature. 🙂

  8. marion locklar says:

    our second graders at Unity School in Delray Beach sighted this moth on our fence this morning. It hasn’t moved all day. Glad to know what it is? We still wonder what it does.

  9. K. Heller says:

    Just found a gorgeous male here in Melbourne, FL. Thank you so much for the excellent site!

  10. S. England says:

    Just seen one at a gas station here in Mars Hill, North Carolina! Fascinating!

  11. Rosemary says:

    We just discovered one of these moths on the outside of our house. We live in the Seattle area near Puget Sound. It’s so interesting to know what it is and it’s characteristics. Thanks! IMG_2193.jpg

  12. Michele says:

    We just spotted this moth resting on a low brick wall in Brooklyn, New York. Thanks for helping us identify it!

  13. Deborah Reinertson says:

    We just found this on the side of our house today and from what we’re reading it looks like it’s a male. We live in Rochester Washington

  14. Maureen says:

    Thankyou for helping me identify this moth. He’s hanging out on my door. I live in Nova Scotia

  15. Liz says:

    I had one on my window frame yesterday. We are in a wooded area in Pittsburgh, PA.

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