Salisbury, A., Malumphy, C.P., & Halstead, A.J. 2013 Scale Unaspis euonymi (Hemiptera: Diaspididae); an Introduced Pest of Spindle (Euonymus) in Britain. British Journal of Entomology and Natural History 26: 211-216
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Notes: The euonymus scale Unaspis euonymi (Comstock) is a pest of spindle (Euonymus spp.) which can cause plant death. A native of South East Asia, it became established in Britain in the late 1950s but did not become widespread in England until the 1990s and 2000s. The distribution, identification, life cycle, natural enemies and host range of this pest are outlined, and its status and control in Britain discussed.