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Aphids usually feed passively on sap of phloem vessels in plants, as do many of other hemipterans such as scale insects and cicadas. Once a phloem vessel is punctured, the sap, which is under pressure, is forced into the aphid's food canal.
Aphids are very small insects that live in large colonies and feed on plant sap. Most aphids are specialized to feed on a specific type of plant, although a few species can feed on hundreds of unrelated plants.
1 lut 2019 · Plant defenses targeting aphids are broadly classified as antibiosis, which interferes with aphid growth, survival and fecundity, and antixenosis, which influences aphid behavior, including plant choice and feeding from the sieve elements.
1 gru 2008 · Aphids are economically important insect pests of agriculture and forest crops. They feed on phloem sap by extremely efficient mouthparts modified into long and flexible stylets.
Most hemipterans are phytophagous, using their sucking and piercing mouthparts to feed on plant sap. These include cicadas, leafhoppers, treehoppers, planthoppers, froghoppers, aphids, whiteflies, scale insects, and some other groups.
24 cze 2008 · Aphids are small, soft-bodied insects that feed by inserting their slender mouthparts into phloem cells, the food conduits of plants. Most aphid species feed on only one species of plant and closely related aphid species tend to feed on closely related species of plants.
13 sty 2016 · Aphids feed on the phloem sap of host plants through stylet penetration, during which saliva is secreted from the aphid salivary gland, delivering effector proteins to overcome plant defenses...
