Green Shieldbug?

Green Shieldbug?

Observation - Green Shieldbug? - Global. Description: This shieldbug was in a Great Yellow Gentian in the meadows above the Barrage de Riète in the Pyrenees at an altitude of just over 1000m. It looks like a Green Shieldbug but the colour doesn't look quite right, is it starting to change colour for the

This shieldbug was in a Great Yellow Gentian in the meadows above the Barrage de Riète in the Pyrenees at an altitude of just over 1000m.

It looks like a Green Shieldbug but the colour doesn't look quite right, is it starting to change colour for the winter?