Holly, American
Symptom Cause  
Leaves turn brown/black due to feeding. Rolled leaves, holes and tip dieback are additional symptoms.
Caterpillar of Holly Bud Moth
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Major damage to foliage
Deer
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Foliage looks burned
Dog Urine
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Lesions; dark spots or white coating on leaves; buds
Fungal Diseases
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Berries stay green all winter
Holly Berry Midge
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Tip of leaves brown, internal larvae trails visible. Leaves can be distorted. Premature drop of leaves.
Leaf Miners
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Leaves stippled, yellowing or bronze; dry out and drop may be webbing visible; sometimes galls form on leaves
Mite
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Bark of trunk and roots gnawed
Rodent Injury
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Leaves and branches encrusted with small bumps; stunted plant growth
Scale Insects
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Weakened plants; yellow leaves; leaves discolored; covered with honeydew
Whiteflies
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