Parthenolecanium corni (Bouché, 1844)

brown scale, european fruit lecanium scale

broadly polyphagous

Parthenolecanium corni

© The Food and Environment Research Agency, from Malumphy & Kahrer (2011a)

parasite

Females with eggs variable in shape, size and colouration; usually oval, strongly convex, brown; up to 6.5 mm long and 4 mm wide. Teneral females reddish brown with black transverse bands or radiating blotches. Larvae mainly on the leaves, mature females at the underside of pencil-thick branches. Hibernation as 2nd instar larva on the branches.

hostplants

Acer negundo, platanoides, pspeudoplatanus; Aesculus flava, hippocastanum; Ailanthus altissima; Ampelopsis; Berberis; Betula pendula; Buxus; Caragana arborescens; Carpinus betulus; Castanea sativa; Cercis siliquastrum; Colutea arborescens; Cornus alba, mas; Corylus avellana, maxima; Cotoneaster; Cotinus coggygria; Crataegus monogyna, rhipidophylla; Diospyros kaki; Fraxinus americana, excelsior; Ginkgo biloba; Gleditsia triacanthos; Hibiscus syriacus; Hippophaë rhamnoides; Juglans regia; Koelreuteria paniculata; Laburnum anagyroides; Ligustrum; Liriodendron tulipifera; Lonicera ligustrina subsp. yunnanensis, tatarica; Malus domestica, pumila; Morus alba, nigra; Philadelphus coronarius; Physocarpus opulifolius; Platanus occidentalis; Populus tremula; Prunus armeniaca, cerasifera, cerasus, domestica & subsp. insititia, laurocerasus, padus, persica, serotina, serrulata, spinosa; Pyracantha coccinea; Pyrus communis; Quercus; Rhododendron; Robinia pseudoacacia; Rhus typhina; Ribes nigrum, rubrum; Rosa rugosa, spinosissima; Rubus caesius; Sambucus nigra; Sorbus aucuparia; Spiraea; Styphnolobium japonicum; Tamarix tetrandra; Taxus; Thuja; Tilia cordata, platyphyllos; Ulmus glabra, laevis; Vaccinium corymbosum; Viburnum x bodnantense, lantana, tinus; Vitis vinifera; Weigela florida; Wisteria sinensis.

synonyms

Eulecanium corni.

references

Braggion (2013a), Fetykó (2014a), Gertsson (2016a), Gómez-Menor Ortega (1957a, 1960a, 1965a), Hellrigl (2004a), Jansen (1999b), Kozár, Guignard, Bachmann ao (1994a), van der Linden (2007a), Malumphy (2010a), Malumphy & Ostrauskas (2009a), Malumphy, Ostrauskas & Pye (2008a, 2010a), Malumphy & Kahrer (2011a), Schmutterer & Hoffmann (2003a), Seljak (2010a), Silva, Maia, Santos ao (2016b), Ülgentürk & Toros (1999a).

mod 21.xii.2018