unknown Caterpillar

unknown Caterpillar

Observation - unknown Caterpillar - UK and Ireland. Description: Can anyone identify for me please Found on Gladioli in garden 19/08/2013 2nd photo was taken on the 26/08/1013, I think its the same Caterpillar

Can anyone identify for me please
Found on Gladioli in garden 19/08/2013 2nd photo was taken on the 26/08/1013, I think its the same Caterpillar