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For Insects, Spiders & Their Kin
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Photo#358597
Sawfly [larvae] ID Request - Cladius pectinicornis

Sawfly [larvae] ID Request - Cladius pectinicornis
Herring Run Watershed, Baltimore City County, Maryland, USA
November 16, 2009
Observed on a neighbor's cultivated Rose.

Moved
Moved from ID Request.

Sawfly on rose
Looks the same as this one

which has no ID yet, but may be the same as this

if that species can have a dark head like this.
...Actually, the lower larva in your photo does have a lighter colored head, which suggests that they all are in fact Bristly Rose Slugs.