Rare gray form, found wandering on ground and likely prepupal.

3+ inches

on this plant
https://www.inaturalist.org/observations/53528059

Looked like bird poop!

found on a tomato plant (photographed on a morning glory leaf)

On iron weed.

eating Solidago sp. (next obs)

Very small (~4-6mm) caterpillar on cultivated red delicious apple tree.

found under a log

This was a large caterpillar, perhaps a cm in diameter; in South Fork

Was eating smoke tree flower.

Found on Cercocarpus bettuloides.

On meadow rue

Found dangling from white birch after picking leaves for my lunas

On Ochroma pyramidale tree.

found on Crucita (Chromolaena odorata)

Caterpillar. Mothapalooza 2019

I'm wondering if it's a Cisthene species?
About 1.5 cm long.

Larva captured by harvester ants.

On Amphipappus Fremontii

Caterpillar approx 25-35 mm in length.

Suggestions are mostly for Tussock moths, so think this is the correct family, but the suggested species don’t seem to fit. It was found in an area with bay laurel and Douglas-fir trees.