Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 1065046

Western Giant Swallowtail
Papilio rumiko

Observation date: September 12, 2015
Submitted by: CosmoCramer
Specimen type: Photograph
Observation notes: Appeared as small orange eggs (2 of them) maybe 2 weeks ago. Then noticed two caterpillars growing rapidly. Now can only find one. Named him Cosmo and he's eating my small potted lemon tree. I would like to let him stay if he's going to turn into a butterfly soon and stop eating my plant's leaves. At first he sat in plain sight on leaves, now he hides more on the stem, but still feeds on the large leaves. I live in San Diego, CA 92111 and it's about 90 degrees right now. It has been hot and dry but I have been watering the plant.
Status: Resident
Verified by: Ken Davenport
Verified date: September 13, 2015
Coordinator notes: More precisely, this should become a Western Giant Swallowtail (Papilio rumiko), described as a new species different from cresphontes about 9 months ago-Ken Davenport
Checklist region(s): United States, California, San Diego County