Adelgidae Aphididae Pemphigidae Phylloxeridae and several more
Aphids (superfamilyAphidoidea) are small plant-sucking insects. There are several families and numerous genera. They are generally soft-bodied with long thin legs; adults have lacy transparent wings. Most of the aphids one sees in a plant infestation are juveniles.
Some species of ants "farm" aphids, supplying them with leaves to eat, and eating the honeydew that the aphids secrete. Many aphids are host to an endosymbiont bacteria, Buchnera, which synthesizes the essential amino acids that are absent in the phloem that the aphids eat.
Genera include Adelges, Aphis, Brevicoryne, Daktulosphaira (Vine Phylloxera), Elatobium, Eriosoma, Macrosiphum, Marchalina, Metopolophium, Myzus, Pemphigus, Phylloxera, Rhopalosiphum, Tetraneura and many more.
Aphids, also known as greenfly/flfly or plant lice, are minute plant-feeding insects in the superfamily Aphidoidea in the homopterous division of the order Hemiptera.
Aphids' antennae are composed of two thick basal segments and a flagellum with as many as four segments.
Aphidhoneydew is rich on carbohydrates (like melezitose), of which the aphids ingest an excess, being phloem-feeders.
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