How to get rid of fleas in grain? - briefly
Store grain at temperatures below 5 °C, regularly sift and clean to eliminate infestations, and apply food‑grade diatomaceous earth or a registered insecticidal dust, mixing thoroughly and maintaining proper ventilation.
How to get rid of fleas in grain? - in detail
Eliminating flea infestations from stored grain requires a systematic approach that combines sanitation, environmental control, and targeted treatments.
First, remove all visibly infested grain and discard it in sealed containers to prevent further spread. Clean storage containers, pallets, and surrounding surfaces with hot water (minimum 60 °C) and a detergent solution, then dry thoroughly. Replace any damaged or cracked storage bags, as they provide entry points for pests.
Second, adjust storage conditions to create an inhospitable environment for fleas. Maintain grain temperature below 15 °C or above 45 °C for at least 48 hours; both temperature extremes disrupt flea development cycles. If temperature control is not feasible, reduce relative humidity to below 60 % using dehumidifiers or proper ventilation, because low moisture levels limit flea survival.
Third, apply appropriate chemical or biological controls. Options include:
- Insecticidal dusts (e.g., diatomaceous earth, silica gel) spread uniformly over the grain surface; they cause desiccation of adult fleas and larvae.
- Residual sprays containing pyrethroids or organophosphates, applied according to label directions, provide ongoing protection for several weeks.
- Entomopathogenic fungi (e.g., Beauveria bassiana) introduced as a liquid formulation; the fungus infects and kills fleas without leaving chemical residues.
When using chemicals, wear protective equipment, follow safety guidelines, and ensure that residues remain within permissible limits for food safety.
Fourth, implement preventive measures to avoid re‑infestation. Rotate stock regularly, inspecting each batch before addition to the main storage. Seal all entry points, including doors, windows, and cracks, with insect‑proof screens. Place pheromone or CO₂ traps around the storage area to monitor flea activity and detect early signs of resurgence.
Finally, document all actions taken, including dates, temperatures, humidity readings, and treatment types. Regular records enable timely adjustments and demonstrate compliance with food safety standards.