Kurtley Beale (pictured) has successfuly undergone surgery to reattach his torn patella tendon.

The Waratahs star is expected to miss the remainder of the Australian season as the injury recovers ahead of Beales multi million dollar move to English club Wasps.

Beales New South Wales and Wallaby teammate Rob Horne says the club will struggle to replace the Darug Kamilaroi man who has been in sparkling form in 2016.