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Aphids damage a huge variety of host plants by sucking the juices from leaves and stems, causing discoloration, leaf curling, yellowing, and stunted growth. Large infestations can produce a sticky, sugary waste product known as honeydew. Honeydew can attract ants, and fuel the growth of fungus on plant surfaces. Aphids can also transmit plant viruses, injecting them into the plant as they feed. These viruses can cause molting, yellowing, or poor yields in various garden vegetables and ornamentals. In an aphid's average lifetime of one month, they can produce 40-85 offspring. Some aphids have wings; some do not.

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If you have questions about this, or any pesticide-related topic, please call NPIC at 1-800-858-7378 (8:00am - 12:00pm PST), or email us at npic@ace.orst.edu.

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Last updated August 24, 2016

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