Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous > Basswood/Linden > Deformed leaves
Basswood/Linden > Leaves > Deformed leaves
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Introduced basswood thrips
Thrips calcaratus
- Buds are attacked resulting in bud drop or deformed, ragged appearance of new leaves in spring
- Defoliation usually occurs when infestation is high resulting in a thin canopy
- Typically a forest pest, usually not a landscape problem
- American basswood is primary host
- More information on Introduced basswood thrips
