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Edible, herbaceous, ornamental, wild, and woody are the plants which aphids attack. The insects in question (Aphidoidea superfamily) -- which may be indiscriminate or species-specific -- feed upon whatever plants can supply them bacterial sources of essential amino acids as well as phloem (down-flowing, enriched liquids flowing down from foliage) and xylem (intake liquids flowing up from roots) sap.

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9y ago
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7y ago

No kind is the leaf that aphids eat. The insects in question (Aphidoidea superfamily) nourish themselves upon the nutrient-rich xylem and the sugar-rich phloem that makes up the internal, life-sustaining fluids of a plant. Aphids seem to be eating leaves when in reality they puncture leaf, stalk and stem tissue to sip liquids.

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Q: What is the effect of aphids on plants?
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