Comments for
Wispy, yellow caterpillar (American Dagger Moth)

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American dagger caterpillar
by: Moni

Ms. C George
When the caterpillar is about to pupate they quit eating and head to the soil or mulch/leafy area to turn into a pupa. So that is probably why your caterpillars did not stay in the trees.
Please be careful handling them...they can cause skin irritation...not stinging but a rash.

Found in CO
by: Ms. C George

My kids and I found several of these caterpillars in our backyard. We found them crawling down out of the trees we returned them back up the branches only for them to crawl down again, not sure why. We live in Thornton, CO.

Spotted!
by: Anonymous

Found one on my back patio here in Novi, Michigan ( near Detroit ).

--
by: Michaela

I found one today, just crawling through my yard in York, PA.

Amer dagger moth caterpillar
by: Moni

B C Anonymous
The source I used said east of the Rockies but as I look on bugguide.net they have been photographed west of there...so they have been there...whoever noted it previously probably lived east of the Rockies and did not do their research well...just like I did not research it from other sources...thanks for sharing your sighting!
Location noted!

Moving west?
by: Anonymous

Just found 3 of these decimating a young poplar, we live in the Rocky Mtn trench in s.e. B.C. so they are west of the Rockies as well.

catapillar
by: Anonymous

found one in wisconsin in my garage

yellow
by: Anonymous

we found one in the greater Toronto area

Atlanta
by: Anonymous

We have lots of these on our playground at school in Atlanta this week m

yellow
by: Anonymous

I was visiting in Jersey when my grandmother pointed it out. He was a fast one too but I got some good shots of it! :]

Have one in Austin, TX
by: Anonymous

I found one of these today in our backyard. I'm in Austin, TX. Thanks for identifying it!

yellow fuzzy catepillar found in MA
by: Anonymous

Thanks so much for this article. We found one today on an exterior door for our house in Massachussetts.

Elise

American Dagger Moth
by: Sandy

Thank you so much for identifying this caterpillar for me!

American Dagger Moth
by: Moni

Sandy
This beautiful caterpillar is an American dagger moth larva.
This insect is found east of the Rockies. Larvae feed on leaves of alder, ash, birch, elm, hickory, maple, oak, poplar, walnut, willow and other deciduous trees.

According to Covell(Peterson Field Guide to Moths) this is the largest dagger moth in the East.

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