Miller, F. 1999 Take control of scale infestations.. American Nurseryman 190(10): 14.

Notes: Advice on winter control of Chionaspis pinifolie, Lepidosaphes ulmi, Melanaspis obscura, Neolecanium cornuparvum, Parthenolecanium corni, Pulvinaria innumerabilis, Quadraspidiotus perniciosus, Toumeyella liriodendri, T. parvicornis and Unaspis euonymi.