Hickory, Shagbark
Symptom Cause  
Irregular tan or brown spots on leaves at veins; expand until leaves die; sometimes sunken spots on leaves
Anthracnose (on plants)
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Young portions of foliage disappear, or young tips disappear, bark peeled off
Deer
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Galls on leaves; stems and twigs
Gall Aphids
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Holes in bark; twigs wilt
Hickory Bark Beetles
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Many holes in branches; limbs girdled sawdust at holes
Hickory Borers
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Leaves rolled together; discolored
Hickory Leafrollers
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Trees defoliated, brown egg cases appear on trunk
Larvae of Gypsy Moth
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Bull's-eye cankers on trunks
Nectria Canker (fungus)
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Tiny bumps on leaves and stems
Scale Insects
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Black powdery sooty mold fungus forms on honeydew; branches may
Sooty Mold
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