Diaspidiotus ostreaeformis (Curtis, 1843)
yellow oyster scale
polyphagous on woody plants
female scale (from Allen & Malumphy)
parasite
Female scale circular, dark grey to black, exuviae subcentral, orange-yellow; diameter up to 1.9 mm; body under the scale orange.
host plants
Acacia karroo, saligna; Acer negundo; Aesculus hippocastanum; Alnus incana, rubra; Betula pendula; Broussonetia papyrifera; Calluna vulgaris; Caragana; Carpinus; Chaenomeles speciosa; Cornus; Corylus avellana; Crataegus azarolus, monogyna, rhipidophylla; Cydonia oblonga; Fagus; Ficus carica, elastica; Fraxinus excelsior; Ligustrum;Liquidambar orientalis; Malus pumila, sylvestris; Morus alba, nigra; Pistacia; Platanus occidentalis; Populus alba. x canadensis, nigra, tremula; Prunus armeniaca, avium, cerasus, domestica, glandulosa, persica, spinosa; Pyrus communis; Quercus; Ribes nigrum; Salix caprea; Sorbus aucuparia; Syringa vulgaris; Tilia cordata, platyphyllos; Ulmus; Wigandia caracasana.
distribution within Europe
synonyms
Quadraspidiotus ostreaeformis.
references
Allen & Malumphy (0000a), Blay Goicoechea (1992a), Bugila (2006a), Buhr (1964b), Ćwierzyk & Dziedzicka (1987a), Dziedzicka (1988a), Fetykó (2014a), Gomez-Menor Ortega (1957a), Hellrigl (2004a), Jansen (1999b), Japoshvili & Karaca (2002a), Kaydan, Ülgentürk & Erkiliç (2013a), Köhler (2009b), Köhler & Eisenschmidt (2005a), Kozár, Guignard, Bachmann ao (1994a), Malumphy (2010a), Malumphy & Badmin (2012a), Malumphy, Ostrauskas & Pye (2010a), Masten Milek, Seljak, Šimala ao (2016a), Mifsud, Mazzeo, Russo & Watson (2014a), O’Connor, Gertsson & Malumphy (2013a), Podsiadło (2006a, 2017a), Podsiadło & Kalandyk-Kołodziejczyk (2022a), Roskam (2019a), Schmutterer & Hoffmann (2003a), Seljak (2010a), Tomasi (2014a), Trencheva, Trenchev, Tomov, ao (2012a), Ülgentürk & Dokuyucu (2019a), Yaşar (2020a), Żak-Ogaza & Koteja (1964a).