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Saddleback Caterpillar Moth larvae

Acharia stimulea


Family: Limacodidae (Slug Moths). Brightly colored caterpillar with venomous with sharp spines. Coloring: Brown and green (saddle). Paint-like fake eyes. Length: 12.7 mm (Possibly 3rd instar). Feeds on a wide variety of plants including Winged Burning Bush leaves (shown), but also spicebush, apple, blueberry, elm, maple, oak.


Meadows, gardens, yards.


Found a total of 50 this summer. Do not handle. Sharp and painful spines. caterpillar in upper left molted into next instar.

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dotun55 8 years ago

Stunning array!

AshleyT 8 years ago

So cool Carol, you always find the neatest invertebrates!

lhankin 8 years ago

Thank you! Your photo will be highlighted on Thursday, October 9. Afterwards, you’ll be able to see your photo for about a month in the Pic of the Day Collection ( Thanks again for contributing to The Great Nature Project!

Carol Snow Milne
Carol Snow Milne 8 years ago

Awesome! I am so thrilled. Absolutely yes. Ihankin.

lhankin 8 years ago

Congratulations! We would like to highlight this photo as National Geographic’s Great Nature Project Pic of the Day! It will be featured in the lower left corner on The Great Nature Project website (, as well as on NG Education Twitter, Facebook, and Google+ accounts.

We will attribute this photo to you by using your username, Carol Snow Milne. Once we hear back from you (either here or via email to, we’ll let you know which date we’ll highlight your photo. Thank you for sharing your observations with The Great Nature Project!

Diaz José Miguel
Diaz José Miguel 8 years ago


Doren B
Doren B 8 years ago

Amazing to find so many in one place and to get such a great photo of that occurrence!

Carol Snow Milne
Carol Snow Milne 8 years ago

Thank you so much! I was thrilled I found 50 over several days, but not thrilled I touched the spines by accident.

Dilan Chathuranga
Dilan Chathuranga 8 years ago

Excellent series carol!!Beautiful!!

Bhagya Herath
Bhagya Herath 8 years ago

WOW!!!! this is amazing Carol....

Adarsha B S
Adarsha B S 8 years ago cute <3

Carol Snow Milne
Spotted by
Carol Snow Milne

Pennsylvania, USA

Spotted on Aug 27, 2014
Submitted on Oct 1, 2014

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