Kairomone diffuser for Popillia japonica
Popillia japonica, the Japanese gentian or Japanese beetle, is a major pest of ornamental and fruit crops. Adults attack leaves and flowers, causing defoliation and weakening of plants.
Pest life cycle and behavior
- Active adult: from June to August, with peak activity in July
- Females lay eggs in the soil; larvae hatch in spring
- Larvae feed on roots for 1 to 2 years before pupation
- Multiple generations depending on climate; high density in infested areas
Why use this diffuser?
- Emits a sex and food lure that disrupts both males and females
- Effectively attracts Japanese beetles into the trap
- Reduces the adult population and limits egg-laying
- Natural solution compatible with integrated pest management (IPM)
Technical specifications
- Duration of action: 45 days in the field
- Compact format, ready to use
- Uniform release of kairomones and pheromones
- Single-unit packaging, easy to store
Installation and trapping
- Trap type: hanging funnel trap or dome trap
- Placement: hang at 1–1.5 m height, near shrubs or rose bushes
- Spacing: 1 diffuser every 10–15 m depending on vegetation density
- Installation period: early June, before the emergence peak
- Monitoring: check the trap weekly and empty the catches
Maintenance tips
- Replace the diffuser after 45 days or in the event of heavy rain
- Clean the trap and install a new lure for optimal effectiveness
- Combine with regular weeding to reduce egg-laying areas
- Store unused diffusers away from heat and light
Filtrer
