Box Tree Caterpillar Moth Pheromone Trap

Box Tree Moth Caterpillars have become a growing problem for gardens in the UK. Our pheromone traps help to catch and kill the adult male moths. By catching males, mating and egg laying can be reduced and populations monitored for additional control measures.

Each trap is supplied with two pheromone lures, each lure is active for a minimum of 6 weeks. Although there are lures  marketed to last all season, trials carried out by Dragonfli and the RHS at Hyde Hall gardens comparing box tree pheromone lure types showed the long life version caught far fewer moths than the standard lures, so in our opinion it is better to use standard box tree pheromone lures and replace about every six weeks to get maximum catch of the male box tree moths. It is also good practice to remove caught moths every six weeks.

The trap itself can be used for many years and replacement lures can be purchased for additional coverage.

If caterpillars develop a number of controls can be used together with pheromone traps to attack each part of the life cycle. Our most effective treatment, Box Tree Caterpillar nematodes can be found here.

How does it work?

By placing a species specific pheromone inside the trap, adult male moths are attracted to this scent and become trapped. This process reduces mating and egg laying leading to a reduction of future generations of caterpillars.

How many traps do I need?

Each trap covers an area of 180 square meters, so long as traps are placed more than 20 meters apart more than one can be used in a smaller area.

Will it catch the Caterpillars?

No, this trap will only attract and kill the adult male moths.

How long does it last?

Each trap comes with two pheromone lures, each of which lasts up to 6 weeks giving an initial 12 week protection. Replacement lures can be purchased separately here.

When should I put my traps out?

There are several generations of Box tree caterpillars in a season from April-October meaning traps should be set during this period.

Identifying box tree caterpillars

The moths lay pale yellow flat eggs that overlap each other in a flat sheet on the underside of leaves. The young larvae that hatch are greenish yellow with black heads. As the larvae/ caterpillars mature the green body develops dark brown stripes and very mature larvae have thick black and thin white stripes down the body with large black dots outlined in white.



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