Lynn M. Stone / Spicebush swallowtail butterfly (Papilio troilus) nectaring on Zinnia. Connecticut, USA. August.

Lynn M. Stone / Spicebush Swallowtail Butterfly (Papilio troilus) nectaring on Zinnia in farm garden, Connecticut, USA

LYNN M. STONE / RF - Spicebush Swallowtail Butterfly (Papilio troilus) nectaring on Zinnia in farm garden, wild and free. Madison, Connecticut, USA. (This image may be licensed either as rights managed or royalty fre...

MYN / Krista Schlyer / Spicebush swallowtail (Papilio troilus) caterpillar on leaf, Anacostia Watershed, Washington DC, USA, November. Meetyourneighbours.net project.

MYN / Krista Schlyer / Spicebush swallowtail (Papilio troilus) caterpillar, Anacostia Watershed, Washington DC, USA, November. Meetyourneighbours.net project.

Doug Wechsler / Eastern tiger swallowtail (Papilio glaucus) and Spicebush Swallowtail (Papilio troilus) on butterfly weed, French Creek State Park, Berks County, Pennsylvania, USA, August.

Lynn M Stone / Spicebush swallowtail butterfly (Papilio troilus) feeding on Butterfly weed (Asclepias tuberosa) flowers, Old Saybrook, Connecticut, USA, August

Lynn M Stone / Spicebush swallowtail butterfly (Papilio troilus) feeding on Butterfly weed (Asclepias tuberosa) flowers, Old Saybrook, Connecticut, USA, August

Lynn M Stone / Spicebush swallowtail butterfly (Papilio troilus) feeding on Butterfly weed (Asclepias tuberosa) Old Saybrook, Connecticut, USA, August

Lynn M Stone / Spicebush swallowtail butterfly (Papilio troilus) feeding on Butterfly weed (Asclepias tuberosa) flower, Old Saybrook, Connecticut, USA, August

Lynn M Stone / Praying mantis (Mantis religiosa) feeding on a Spicebush swallowtail butterfly (Papilio troilus) on a thistle, Durham, Connecticut, USA, August

Lynn M Stone / Spicebush swallowtail butterfly (Papilio troilus) feeding on Butterfly weed (Asclepias tuberosa) flowers, Old Saybrook, Connecticut, USA, August

Lynn M Stone / Spicebush swallowtail butterfly (Papilio troilus) feeding on thistle plant, Durham, Connecticut, USA, August

Doug Wechsler / Late instar caterpillar larva of Spicebush Swallowtail butterfly(Papilio troilus) mimicking a bird dropping, New Jersey, USA

Doug Wechsler / Caterpillar larva of Spicebush Swallowtail butterfly(Papilio troilus) mimicking a bird dropping, New Jersey, USA

Doug Wechsler / Spicebush swallowtail butterfly caterpillar going to chrysalis stage (Papilio troilus) Philadelphia, USA

Visuals Unlimited / Spicebush Swallowtail Butterfly (Papilio troilus), Family Papilionidae, Ohio, USA.

Visuals Unlimited / Spicebush Swallowtail Butterfly (Papilio troilus) larva or caterpillar, face-on view of head showing eyespots and other human like features, Family Papilionidae, Ohio, USA. .The eyespots allow the cat...

Barry Mansell / Brightly coloured caterpillar larva of Spicebush swallowtail {Papilio sp} Mexico

Steve Gettle / Spicebush Swallowtail (Papilio troilus) caterpillar showing false eye spot Brighton Recreation Area, Michigan

Steve Gettle / Spicebush Swallowtail (Papilio troilus) caterpillar showing false eye spot Brighton Recreation Area, Michigan

Steve Gettle / Spicebush Swallowtail (Papilio troilus) caterpillar showing false eye spot Brighton Recreation Area, Michigan