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Photo#1075140
Rose-eating caterpillar - Cnaemidophorus rhododactyla

Rose-eating caterpillar - Cnaemidophorus rhododactyla
Toronto, Ontario, Canada
May 29, 2015
Size: 1 cm
This caterpillar and its siblings are eating my rose bush. I want to ID them before I squish them in case they're something interesting that should be left alone.

The caterpillar is about 1 cm long. It is a light green that is more opaque than translucent. It has silicious-looking spikes and a distinctive red stripe with a faint white border going down its body. It does not have an obvious separate head the way "rose slugs" (sawfly larvae) do. It is kind of fat in the middle so that it resembles a hoverfly larva, but it is definitely a caterpillar (lepidopteran).

There is a kind of webbing that it left behind, rather like a tent caterpillar "tent" but with less integrity. There is a lot of black frass all over the webbing, especially at the tips of the branches where the caterpillar has eaten all the youngest leaves -- it is not skeletonizing the leaves; it is eating them from the tips down.

(Sorry for the poor quality photo. It was taken at dusk with a handheld camera).

Images of this individual: tag all
Rose-eating caterpillar - Cnaemidophorus rhododactyla Rose-eating caterpillar - Cnaemidophorus rhododactyla

Moved
Moved from Butterflies and Moths. Larvae can be seen here

Moved
Moved from ID Request.

Wonder if it might be a Plume Moth

Didn't find one feeding on Rose - will keep looking

 
not a plume moth
Thanks for your comment. I added another picture -- the caterpillars I have don't have the dots on the back or the same kind of spikes on them as the plume moth in the image you posted.

I hope that the new photo I added will help make it easier to identify these caterpillars.

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