Scales E-mail

Physical Control

Scales can be rubbed off by hand, using garden gloves, a soft toothbrush or alcohol-dipped cotton swab 

Biological control

Application of Nematodes or Metaphycus, Cryptolaemus montrouzieri, Green lacewing. For optimum benefit, keep temperature at 21 C to 29 C and maintain moderate to high humidity.

available from
- Green Gardener
- Scarletts Plant Care
- Greenworm
- Just Green
- Defenders Ltd.
- Chase Organics 

Least toxic chemical control

Insecticidal soap

sorry. Thanks, but this is a charity site and upgrading from 1.5 is not going to be straightforward when they have no web dev budget, have a heart!