Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous Trees > Ash > Insects feeding on branches
Ash > Trunk > Insects feeding on branches
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Oystershell scales
- Damage occurs during summer
- Feeding causes foliage to yellow
- Twig and branch dieback can occur when branches are heavily infested
- Light to dark brown, elongate, 1/10 to 1/8 inch long, found feeding on branches
- Heavy infestations can completely cover bark
- More information on Oystershell scale
