Costco Warns Shoppers Over Invasive Plant Insects
Costco has warned customers that recently sold desert willow plants may carry an invasive insect capable of killing crops and vineyards.
A close-up shot of a glassy-winged sharpshooter insect resting on a green leaf.
Threat to Local Agriculture
The glassy-winged sharpshooter spreads a bacterial infection known as Pierce's disease. The Retail giant warned that this pest can easily kill grapevines and damage citrus trees.
Early detection is critical to stopping the spread of the insect across local farms. Official estimates show the disease already costs the California grape and Wine Industry about $110 million annually.
Instructions for Affected Shoppers
Costco requested that customers do not return the affected plants to the warehouses. Instead, buyers must isolate the plants in their original containers and contact local agricultural officials.
Inspectors will examine the vegetation and safely dispose of infested plants. Experts say the insect is difficult to contain because it can fly more than a quarter-mile without stopping.
Refunds and Containment Steps
The company advised shoppers not to transport, replant, or compost the desert willows. It recommended sealing the plants inside two plastic trash bags until inspectors arrive.
Affected shoppers will receive a full refund if they bring their notification letter to a local store. Costco apologized for the inconvenience and stressed that customer cooperation protects local Agriculture.
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