PEST
 
   NAME
     White Palm Scale
     Phenecaspis eugeniae
 
   ORDER
     Hemiptera
 
   FAMILY
     Diaspididae

Description of the Pest
The adult females are 2-3mm long, white and pear shaped; males scales are smaller, flat and elongated and covered in a cottony wax, from which the adult emerges as a small, winged insect. They are usually restricted to the undersides of leaves, except during heavy infestations. This is a hard scale that does not produce honeydew.

Appearance and Distribution of the Pest
An Australian and New Zealand pest, commonly occurring in coastal regions.

Life Cycle
This insect has a Hemimetabolous life cycle, ie. When the immature nymphs resemble the adults.
Several generations appear annually.

Period of Activity
May be active throughout the year in tropical to warm temperate areas.

Damage Caused
Sever infestations may cause yellow patches on the upper surfaces of leaves, corresponding to where the scale is sucking sap.

Susceptible Plants
Palms, NSW Christmas bush, Lillypillies, magnolias, viburnums and other woody plants.

Cultural Control
Small numbers may be rubbed off, or treated with a soapy water solution.

Biological Control
No effective biological controls.

Chemical Control
Spray with white oil and, in severe infestations, a contact insecticide.
Note
Always read the label for registration details and direction of use prior to application of any chemicals.