Jansen, M.G.M. 2000 The species of Pulvinaria in the Netherlands (Hemiptera: Coccidae).. Entomologische Berichten (Amsterdam) 60: 1-11.

Notes: The occurrence of the species of the soft scale genus Pulvinaria in The Netherlands is discussed. Four species occur in the open, one is native (Pulvinaria betulae and three are introduced and established P. floccifera, P. hydrangeae and P. regalis. Two species are only known from interceptions during import inspections and from greenhouses (P. mesembryanthemi and P. psidii). A key to the species is given.