Dougie Hall and John Barclay are also returning to the international fold, taking the total of Warriors in the Scotland squad to nine.
And Robinson admitted that the Warriors' domestic form has made his decision to call up more Scotstoun men all the easier.
"Dougie Hall has had a good season for Glasgow and I know that John Barclay has been one of our most consistent and reliable back-row forwards since he made his debut five years ago," he said.
"Peter Murchie is another who has had a fine start to the season with Glasgow and his desire to dominate in aerial combat has been a factor in selection.
"We know we're in for a bruising battle against South Africa this weekend and we will be primed for that physical confrontation.? ?
"But we also have to be smart in how we approach this game and do our utmost to ensure we get on the front foot and get the result that will move us into the top eight in the IRB world rankings ahead of next month's 2015 Rugby World Cup draw."
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