Stop Box tree moth caterpillar
and other pests in 2019. How to treat box tree moth, stop box moth caterpillar, stop slugs, stop lilly beetle. treatment for box tree moth.
A simple plan for low rain lawn care, cutting grass in dry weather, top tips for lawns in summer, keeping grass green in drought.
In 2018 much of the UK had its first experience of Box Tree Moth Caterpillar. Though it has been around since 2014, it really made its presence felt this time. And for many it was very much after the horse had bolted, with their – in many cases very expensive – box installations reduced to sticks. That combined with the heat and lack of moisture to slow recovery, with many plants overwintering without foliage.
From the ground up has formulated a plan to address this invasion for clients. This involves first advising them that the pest is present, and what damage it can do. We have an effective method to try to prevent infestation. This uses a combination of pheromone traps, a way of luring the male moth away before eggs laid by the female are fertilised.
Chemical spray or a more expensive nematode solution is available to treat caterpillars directly. Spray treatment needs to be thorough and get right inside the plant, past the protective web left by the caterpillars. Pump sprays with a lance can be put right into the plant, to ensure that all the foliage is covered. To be effective the treatment to prevent caterpillars must be repeated every 7-10 days between March and October.
Box tree moth – practicalities
Timing of spray application is important. We spray early in the morning, ensuring that only the box caterpillars are treated.
Bacillus thuringiensis var Kurstak is a product that controls box moth. This is a natural bacterium (not a chemical insecticide) that organic farmers use to stop crop destruction by butterflies.
To stop box tree moth caterpillar use these watchwords. Awareness. Vigilance. Prevention. Treatment. Perseverance.
The final consideration is recovery. Box plants can recover from defoliation through infestation or drought. For full recovery you’ll need patience. Many box plants bear the scars of the moth onslaught after the growing season, filling out in the spring.