Once the symptoms of root rot are evident, chemical control is often ineffective. Fungicides containing mefenoxam are available for use by homeowners. Apply all chemicals according to directions on the label. Damage to plants results from feeding by the caterpillar, which causes loss of leaves. Mild infestations of this pest slow the growth of junipers.
Heavy infestations can kill a plant.
The adult female is yellow and appears almost maggot-like. The bag is formed from silk that the larva produces. As it feeds, the larva adds bits of plant material to the bag. The bag is about 2 inches when complete. In South Carolina, bagworms survive the winter as eggs in a bag.