NALT Keyword: predators

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Title
Flower Flies (Syrphidae) and Other Biological Control Agents for Aphids . . .
Flower Flies (Syrphidae) and Other Biological Control Agents for Aphids . . .
Flower Flies (Syrphidae) and Other Biological Control Agents for Aphid...
Flower flies (sometimes known as hoverflies) are effective predators against aphids in California vegetable fields. Learn to recognize these aphid eaters and encourage them to help with your pest management. Many color photographs.

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