Plant Parasites of Europe

leafminers, galls and fungi

Parlatoria oleae

Parlatoria oleae (Colvée, 1880)

olive scale

polyphagous on shrubs and trees

Parllatoria oleae on Olea europaea

Olea europaea © Mourad Louadfel, Homemade,

Parllatoria oleae on Mahonia spec.

Mahonia spec. © United States National Collection of Scale Insects Photographs, USDA Agricultural Research Service,; the smaller elongated scales are male tests


Scales on all parts of the plant. When a crawler attaches itself to a plant, it infects a toxic liquid that causes the plant tissue to turn dark red to almost black. This may reduce the commercial value of crops, olives in particular.

host plants

Acacia homalophylla; Berberis thunbergii; Buxus sempervirens; Chaenomeles speciosa; Citrus aurantium, limon; Cotoneaster franchetii; Diospyros kaki; Euonymus japonicus; Fraxinus excelsior; Jasminum azoricum, officinale; Juniperus; Lagerstroemia indica; Laurus nobilis; Ligustrum; Mahonia aquifolium; Malus domestica; Nerium oleander; Olea europaea; Pinus; Prunus armeniaca, cerasifera, domestica, dulcis, lusitanica, persica; Pyrus communis & subsp. pyraster; Robinia; Rosa; Rosmarinus officinalis.


Two generations; hibernation mainly as adult female.

distribution within Europe

(PESI, 2018).


Akkuzu, Arslangündoğdu & Selmi (2006a), Blay Goicoechea (1992a), Çalişkan Keçe & Ulusoy (2017a), Carnero Hernandez & Perez Guerra (1986a), Elenis (2007a), Gomez-Menor Ortega (1948a, 1957a, 1960a), Hellrigl (2004a), Japoshvili & Karaca (2002a), Mansour, Mkaouar, Grissa Lebdi ao (2011a), Masten Milek, Šimala, Pintar & Markotić (2017a), Mifsud, Mazzeo, Russo & Watson (2014a), Pellizzari, Porcelli, Seljak & Kozár (2011a), Seljak (2010a), Şi̇şman & Ülgentürk (2010a), Tolga & Yoldaş (2019a).

Last modified 11.ii.2022