Fruit calyx infection by oystershell scale

Oystershell scale infection is usually concentrated around the calyx or stem end , but may occur anywhere on the fruit surface.

  Heavy infestations of oystershell scale on the bark and stems of apple trees can cause loss of production. The main economic damage from scale insects is fruit infection near the calyx or stem end, accompanied by fruit discolouration. Stem infestation by tiny scale insects may appear to be a change in stem texture and their feeding can also cause discolouration.

To see the insect and .....for more information...

Key start