A weevil smaller than a grain of rice has been released into waterways infested with cabomba weed a South American plant that has been wreaking havoc in several states and territories. Ancient enemy unleashed against one of Australia's worst aquatic weeds

A weevil smaller than a grain of rice has been released into waterways infested with cabomba weed, a South American plant that has been wreaking havoc in several states and territories.

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