Pulvinaria vitis (Linnaeus, 1758)

woolly vine scale, wax scale,cottony grape scale

polyphagous on woody plants

Pulvinaria vitis: female on Pyracantha spec.

Pyracantha spec. © United States National Collection of Scale Insects Photographs, USDA Agricultural Research Service, Bugwood.org

Pulvinaria vitis: females with ovisacs

females with ovisacs (picture from Soortenbank.nl)

parasite

Scales on the (mainly thinner) branches (larvae on the leaves). Post-reproductive female oval, moderately convex, with transverse wrinkles, dark brown; up to 9 mm long and 7 mm wide. Ovisac forms beneath the female body which is tilted upwards; ovisac strongly convex, white, up to 10 mm long, in April-June. In temperate regions a single generation. Adult females hibernate.

host plants

Acer; Alnus glutinosa; Betula pendula; Carpinus betulus; Cotoneaster; Crataegus; Euonymus; Fagus; Malus; Ostrya carpinifolia; Populus alba, nigra; Prunus; Pyracantha; Pyrus communis; Ribes nigrum, rubrum, uva-crispa; Salix glabra; Sorbus aucuparia; Vitis vinifera.

Mainly on Betulaceae, Salicaceae and Rosaceae. Only rarely on Ilex never on Taxus (Jansen).

synonyms

Pulvinaria betulae (Linnaeus, 1758).

references

Gertsson (2016a), Hellrigl (2004a, 2006b), Jansen (1999b, 2000a), Kozár, Guignard, Bachmann ao (1994a), van der Linden (2007a), Malumphy (2010a), Malumphy, Ostrauskas & Pye (2008a), Malumphy & Kahrer (2011a), Masten Milek, Ivezić & Šimala (2009a), Masten Milek, Šimala, Pintar & Markotić (0000a), Salisbury & Malumphy (2017a), Schmutterer & Hoffmann (2003a), Schneider & Tanson (2003a), Seljak (2010a), Ülgentürk & Toros (1999a).

mod 20.ii.2019