pest_control
Caterpillars on Weeping Willow
How to identify and get rid of caterpillars on Weeping Willow. Size: 5–50mm.
search
Identifying caterpillars on Weeping Willow
Larval stage of butterflies and moths. Highly variable in colour and size. Frass (droppings) present near damage.
cycle
Life cycle
Egg → caterpillar → pupa → adult butterfly/moth. Several generations per year depending on species.
warning
Damage to Weeping Willow
Chew leaves, stems, and fruit. Can defoliate entire plants rapidly.
healing
How to treat caterpillars on Weeping Willow
Hand-pick. Apply Bt (Bacillus thuringiensis) spray. Neem oil. Chemical insecticide for large infestations.
shield
Preventing caterpillars on Weeping Willow
Inspect undersides of leaves for eggs. Encourage birds and parasitic wasps.