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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.
If you have questions about this, or any pesticide-related topic, please call NPIC at 800-858-7378 (8:00am - 12:00pm PST), or email us at npic@ace.orst.edu.
If you have a pesticide product in mind, have your label handy and click here for information about that product.
Through its county agents, the Cooperative Extension Service gives individuals access to the resources at land-grant universities across the nation. These universities are centers for research in many subjects, including entomology (the study of insects) and agriculture. Each county within the United States has an Extension office, which is staffed with agents who work closely with university-based Extension specialists to deliver answers to your questions about gardening, agriculture, and pest control. You can find the phone number for your local county extension office in the local government section (often marked with blue pages) of your telephone directory or by clicking on the map below.
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U.S. Territories:
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