HOST: Crabapples and apple vary widely in their resistance to scab. Related (but different) species of the fungus that cause apple scab produce scab on hawthorn, mountain ash and pyracantha. DAMAGE: Apple scab describes the disease as it appears on the disfigured host...
HOST PLANTS: Favoured host plants include Apple, Crabapple, Hawthorn, Cherry, Mountain-Ash, Cotoneaster and other members of the rose family. DAMAGE: This insect is one of the most widespread defoliators of deciduous trees. The young caterpillars quickly gather at a...
HOSTS;The favourite hosts of the Fall Webworm include Walnut, Cherry, Hickory, Crabapple and Birch trees. They have been known to feed on at least 88 species of plants. DESCRIPTION AND LIFE CYCLE;Unsightly tents are appearing everywhere at this time of year. Fall...
