Commission Implementing Decision of 2 August 2011 allowing Member States to extend provisional authorisations granted for the new active substances acequinocyl, Adoxophyes orana granulovirus, aminopyralid, flubendiamide, mandipropamid, metaflumizone, phosphane, pyroxsulam and thiencarbazone (notified under document C(2011) 5321) (Text with EEA relevance) (2011/490/EU)