Box Tree Moth Treatment by SavATree Insects & Diseases Box tree moths (Cydalima perspectalis) are an invasive species that pose a significant threat to boxwood plants, which are popular in ornamental gardens, hedges, and natural habitats. If left untreated, these pests can cause extensive damage, leading to defoliation, weakening, and even the death of your boxwoods. What are box tree moths? Box tree moths are notorious for their ability to rapidly multiply and cause harm to boxwoods. With a life cycle that can repeat three to five times between March and October, these pests have overlapping generations that continuously attack boxwoods, making them a persistent threat. Signs of a Box Tree Moth Infestation Detecting an infestation early is key to preventing widespread damage. Common signs of a box tree moth infestation include: Defoliation: Significant loss of leaves, leaving the plant looking sparse. Webbing: Dense webs on branches and leaves. Frass: Green-black balls of excrement found around the base of the plant. Pupae: Pupae wrapped in webbing on the leaves or branches. What causes a box tree moth infestation? Box tree moth infestations typically take hold after moths lay their eggs on boxwoods. These pests are often introduced to new areas through the transportation of infested plants or cuttings. Once established, they can spread quickly, especially in regions where their natural predators are absent. How do they harm your boxwoods? Box tree moth larvae are the most destructive stage of the insect's life cycle. Young caterpillars feed on the undersides of leaves, while adult moths consume the entire leaf, leaving only the midrib. As they feed, they create webbing throughout the branches, which serves as a protective barrier against predators. This feeding can lead to significant defoliation, leaving your boxwoods vulnerable to further damage and death. How to Spot Box Tree Moths Spotting box tree moths can be challenging but knowing what to look for can help. Young caterpillars are lime-green with black stripes, white spots, and a shiny black head. They can grow up to 1.5 inches in size and often hide among leaves and twigs. Adult moths are primarily active at night and are identified by their white wings with a thick brown border. Box Tree Moth Treatment Near You Box tree moths are difficult to eliminate once established, but SavATree's experts can help control populations with targeted treatments. Our arborists are trained to identify early signs of infestation and implement treatment plans tailored to your specific needs. Contact us today to schedule a consultation with an expert arborist.