“White masses looking like patches thick mold often occur on {{w|Apple|apple trees}}, especially about pruning wounds or other scars the trunk and branches and upon {{w|water sprout}}s. Beneath this substance are colonies of rusty colored or purplish brown plantlice known as "wooly aphids" on account of the appearance of white covering which is, however, really composed of waxen filaments.The species is common in Maine on {{w|Crataegus|hawthorn}}, {{w|Rowan|mountain ash}}, and {{w|Baldwin (apple)|Baldwin}} and some other {{w|List of apple cultivars|varieties of apple}}.”