Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous Trees > Poplar > Leaves webbed together
Poplar > Leaves > Leaves webbed together
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Large aspen tortrix
Choristoneura conflictana
- Skeletonized leaves are webbed or rolled together in spring
- Larvae first drill holes into leaf buds causing holes in leaves
- In early summer, canopy becomes sparse due to consumed and smaller leaves
- Larvae are nearly black in color, approximately 3/4 inch long with a black head
- Quaking aspen is preferred host
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Poplar tent maker
Clostera inclusa
- Leaves strung loosely together with webbing or silk
- Chews entire sections of leaves
- When fully grown, larvae are up to 1 3/15 inch long; four yellow stripes down center of body with yellow lines along side opposite of black lines
- Damage occurs during spring with a second generation occurring in late summer
- More information on Poplar tent maker
