Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 551417

Old World Swallowtail
Papilio machaon

Observation date: Unknown
Date notes: Unknown sighting date; migrated from species image
Submitted by: RaisingButterfl... (Todd Stout)
Specimen type: Photograph
Observation notes: Papilio machaon bairdi, egg. This picture demonstrates the development of Papilio bairdi ova.  Similar to other species in the swallowtail machaon group, a baird's swallowtail egg is yellowish when laid.  If fertile, the egg will start to show subtle rings and then darken significantly right before hatching.
Status: Unknown
Verified by: BAMONA
Verified date: August 11, 2011
Coordinator notes: None.
Checklist region(s): United States, Utah, Tooele County

There is no sighting point for this record.