US: New greenhouse for breeding weevils

At Caddo Lake, on the border between Texas and Louisiana, a new greenhouse is being built. Not to grow tomatoes or flowers, but to breed weevils. They are used to kill Giant Salvina, an invasive plant that is causing problems, since its arrival in the area in 2006. The most efficient remedy has been the Salvinia weevil which eats the plant.

Since both the plant as the weevil thrive during the summer months, a greenhouse allows them to combat the plant year-round. A new greenhouse will double the capacity to do so.

Source: ArkLaTex


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