Contact Blog Project Noah Facebook Project Noah Twitter

A global citizen science platform
to discover, share and identify wildlife

Join Project Noah!

Black swallowtail caterpillars (instars 1-4)

Papilio polyxenes

Description:

All four stages (instars)

Habitat:

Semi rural

Species ID Suggestions



Sign in to suggest organism ID

5 Comments

KarenL
KarenL 6 years ago

Thank you tangke & Megan!

MeganM
MeganM 6 years ago

So neat to see all four stages in one photo! Nice spotting

tangke35
tangke35 6 years ago

There really cool and I have some

KarenL
KarenL 6 years ago

Sonam, no but they do have a forked gland, called the osmeterium. When in danger, the osmeterium, which looks like a snake's tongue, everts and releases a foul smell to repel predators. You can just see this on one of the smaller caterpillars in photo 2.

SonamYoketsang
SonamYoketsang 6 years ago

Aren't they poisonous ?

KarenL
Spotted by
KarenL

Franklin, Tennessee, USA

Spotted on Sep 25, 2013
Submitted on Sep 26, 2013

Related Spottings

The Common Mormon ♂ Papilio machaon lime butterfly -  Papilio demoleus Paris Peacock

Nearby Spottings

Common pug Forage looper Curve-toothed geometer Reddish speckled dart