Purple scale

Cultural and biological control methods

Regulatory pruning for air circulation.
Aphytis lepidosaphes
Encarsia elongata
Chilocorus bipustulatus

Critical stage

1st generation: late May to mid-June.
2nd generation: late August to mid-September

Treatment criteria

If over 2% of fruit has been attacked in the previous harvest, treat during the most sensitive stage of the 1st generation. If the pending harvest in the 2nd generation shows 2% of fruit under attack, treat as many sensitive forms as possible with oil.

Active material recommended

Paraffin oil
Pyriproxyfen (only 1st generation)

Scientific name

Cornuaspis becki Newman.
Insulaspis gloverii Packard.