Caterpillar of Six-striped rustic / Square spot rustic (Xestia sexstrigata / xanthographa)

Caterpillar of Six-striped rustic / Square spot rustic (Xestia sexstrigata / xanthographa)

Observation - Caterpillar of Six-striped rustic / Square spot rustic (Xestia sexstrigata / xanthographa) - UK and Ireland. Description: Digging up a old lawn and found this little caterpillar, it is about 15mm long. Cannot find a match , the nearest was possibly Small Clouded Brindle, but not sure at all.

Digging up a old lawn and found this little caterpillar, it is about 15mm long.
Cannot find a match , the nearest was possibly Small Clouded Brindle, but not sure at all.