What supports Two-tailed Swallowtail
271
native plants
support it in the US
40
caterpillar hosts
231
flowers
support it in the US
Caterpillar hosts All
40 native plants its caterpillars eat, most recorded first.
-
Common Hoptree
Ptelea trifoliata
-
Chokecherry
Prunus virginiana
keystone
-
Green Ash
Fraxinus pennsylvanica
-
Black Cherry
Prunus serotina
keystone
-
Oregon Ash
Fraxinus latifolia
-
Western Sycamore
Platanus racemosa
-
Single-leaf Ash
Fraxinus anomala
-
California Bay
Umbellularia californica
Nectar plants All
231 native plants whose flowers it visits, most recorded first.
-
California Buckeye
Aesculus californica
-
Firecrackerbush Bouvardia ternifolia
-
Golden Currant
Ribes aureum
-
Showy Milkweed
Asclepias speciosa
-
Scarlet Gilia
Ipomopsis aggregata
-
Swamp Milkweed
Asclepias incarnata
-
Blue Dicks
Dipterostemon capitatus
-
Western Wallflower
Erysimum capitatum