Description
- adults are about 1/4 inch long and ant-like in appearance
- head, snout and wings are a dark metallic blue and thorax and legs are bright red-orange
- larvae are legless grubs almost 1/2 inch long when full grown
- white with brown heads
Damage
- larvae tunnel through tubers, causing discoloration
- impart a bitter taste to the tuber
- infested sweet potatoes are unfit for human consumption
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