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Species Page

fig wax scale

Ceroplastes rusci
This information is part of a full datasheet available in the Crop Protection Compendium (CPC). Find out more information on how to access the CPC.
©CAB International. Published under a CC-BY-NC-SA 4.0 licence.


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Host plants / species affected

Main hosts

show all species affected
Actinidia chinensis (Chinese gooseberry)
Annona cherimola (cherimoya)
Annona muricata (soursop)
Annona reticulata (bullock's heart)
Annona squamosa (sugar apple)
Citrus aurantium (sour orange)
Citrus limon (lemon)
Citrus x paradisi (grapefruit)
Ficus carica (common fig)

List of symptoms / signs

Fruit - discoloration
Fruit - external feeding
Fruit - honeydew or sooty mould
Growing point - discoloration
Growing point - external feeding
Leaves - external feeding
Leaves - honeydew or sooty mould
Stems - external feeding
Stems - honeydew or sooty mould
Whole plant - external feeding


Infestations of C. rusci occur on the foliage, stems and branches. This results in reduced vigour and general debility of the host plant. Heavy infestations may result in chlorotic spotting and premature shedding of leaves, wilting and dieback of stems. Honeydew deposited on the leaves and fruit serves as a medium for the growth of black sooty moulds. The sooty mould results in a reduction of photosynthetic area and lowers the market value of ornamental plants and produce.

Prevention and control

Biological Control

Shabana and Ragab (1997) found Alternaria infectoria to be a promising biological control agent for C. rusci in Egypt. A. infectoria decreased egg hatching by 39.6% over a 15-day period compared to a control; crawlers hatching from fungus-treated eggs also became infected. Seventy-two per cent of the fungus-treated crawlers compared to 9% of the untreated controls entered the settling stage 6 days after exposure to the fungal inoculum. The highest level of nymphal mortality attributed to A. infectoria occurred when 30% inoculum was applied, and a high relative humidity was maintained for the following 48 hours.

Chemical Control

Due to the variable regulations around (de-)registration of pesticides, we are for the moment not including any specific chemical control recommendations. For further information, we recommend you visit the following resources:


C. rusci is a pest of cultivated fig and citrus in the Mediterranean Basin and is occasionally a serious pest of citrus in Israel (Ben-Dov, 1988). It is a the main pest of fig trees in western Turkey (Onder and Soydanbay, 1984) and a pest of Actinidia in Italy (Pellizzari and Antonucci, 1982).