Burnet Moth Caterpillar

Burnet Moth Caterpillar

Observation - Burnet Moth Caterpillar. Description: The 2 candidates in this area are 6 spot or Narrow-bordered 5 spot. Looks very like images of 6 spot, but not sure how easy to separate the caterpillars?

The 2 candidates in this area are 6 spot or Narrow-bordered 5 spot. Looks very like images of 6 spot, but not sure how easy to separate the caterpillars?