Sweet potato weevils have favorite colors
When it comes to eradicating pests, the devil is in the colorful details
By Bethany Brookshire, 15:05 PM January 10, 2014
Outdoors, a sweet potato weevil’s favorite color is red. Indoors, it’s green. You might not think that a pesky insect’s favorite color would be a matter of public concern. But for scientists trying to design the perfect weevil trap, it could mean the difference between saving a crop and seeing it destroyed.
Sweet potato weevils (Cylas formicarius) can be a ruinous problem. They burrow into sweet potatoes, laying their eggs in the stem and in the potato itself. Their larvae grow inside the plan...
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