UPDATE 1-Rugby-France flanker Ouedraogo out of South Africa test

* Injured Ouedraogo to miss South Africa test

* Replaced by Castres's Diarra

(Adds replacement)

PARIS, Nov 7 (Reuters) - France flanker Fulgence Ouedraogo is out of Friday's game against South Africa in Toulouse because of a shoulder injury.

He has been replaced in the squad by Castres's Ibrahim Diarra, the French federation said.

"A scan has shown Ouedraogo injured his left shoulder during a French championship match between his Montpellier team and Montauban on Thursday," media manager Lionel Rossigneux said in a statement.

"In agreement with the medical staff of Montpellier, Ouedraogo will go back to his club for further treatment. He has been ruled out of the South Africa test."

The 23-year-old flanker has been a regular in France's back row over the last two seasons and has 17 caps.

He is the third player forced to withdraw from the 30-man squad after prop Luc Ducalcon and flanker Antoine Burban.

(Reporting by Jean-Paul Couret, editing by Justin Palmer; To query or comment on this story e-mail sportsfeedback@thomsonreuters.com)