Unidentified green and white caterpillar

Unidentified green and white caterpillar

Observation - Unidentified green and white caterpillar - Global. Description: Approx 3.5cm long. found with others of same species on pyracantha shrub in urban garden. Perhaps some of the lovely people on ISpot can help me identify it? Thanks to all who take the time to look.

Approx 3.5cm long. found with others of same species on pyracantha shrub in urban garden. Perhaps some of the lovely people on ISpot can help me identify it? Thanks to all who take the time to look.