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Grain Beetle FAQ


  • What are the signs of grain beetles infestation?

    Common signs of stored product insects (SPI) may include finding damage, adult insects such as weevils, floury dust, infected grains and moulded goods.


  • How to get rid of stored product insect in my home?

    Infestations in your home can be controlled by removing and sealing all sources of the infestation. Remove food crumbs that may have accumulated inside or under the cupboard, shelves, cracks and crevices.


  • How to get rid of stored product insect in my business?

    A professional SPI control service is the most effective solutions against SPI infestation. Rentokil offers SPI control solution following the PEST approach as part of the integrated pest management.


  • Do I need to dispose of any food that has insects?

    Yes. In order to control SPI, the infested food must be removed or destroyed in a manner that the infestation will not further disperse or treated in a way that presents no hazards in its end use.


  • What species of Stored Product Insects are there in Hong Kong?

    Pests in food, also known as Stored Product Insects (SPIs), covers a very large range of insect species. Some of these include:

    Lesser Grain Borer
    Drugstore Beetle (also known as Biscuit Beetle)
    Cigarette Beetle
    Rusty Grain Beetle
    Saw Toothed Grain Beetle
    Khapra Beetle
    Granary Weevil
    Rice Weevil
    Flour Beetle