aphids
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Don’t Buy Ladybugs To Control Aphids, And Other Gardening Myths Debunked
Ladybugs eat aphids. So if aphids are eating your potato plants, you might be tempted to mail-order a ton of ladybugs (yes, this is a thing you can do) to solve your garden woes. There’s a flaw in that plan, though: When you release ladybugs, they fly away.