Papilio machaon bairdi
Photo Life History: Papilio machaon bairdi
Suitable Lab Host Plants: Foeniculum vulgare
Caring for Live Female Butterflies: Feed females regularly.
Methods of Female Oviposition: Open Screen Cages
How to Find Eggs: Isolated Host Plants. Look on the tops of leaves.
How to Hatch Eggs: Consolidate eggs into one container
How to Find Caterpillars in the Field: Can be abundant where the butterfly flies well. Isolated populations fly throughout the Western U.S.
Overwintering Stage: Pupa.
Larva to Pupa: Larva purges and wanders
Emergence: Emergence Container
Number of Broods per Year: 1-3 depending upon location.
Disease Prevention: Change out host plant and remove frass every four to six days.
Field Notes: Baird's swallowtail caterpillars rest on the top of leaves; not necessarily underneath a leaf as is true with other machaon group swallowtails.