Perth Glory's title hopes have suffered a blow with attacking midfielder Youssouf Hersi set to miss the rest of the A-League season because of a hamstring injury.

The ABC understands scans have revealed the Ethiopian born Dutchman has torn his hamstring from the bone, which will rule him out for the remainder of the Glory's campaign.

The 32 year old sustained the injury in Perth's 1-1 draw with the Roar in Brisbane last weekend.

Hersi joined the Glory in the off-season, after playing 47 games and scoring eight goals for the Western Sydney Wanderers.