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The Aphididae are a very large insect family in the aphid superfamily , of the order Hemiptera. These insects suck the sap from plant leaves. These insects suck the sap from plant leaves. Several thousand species are placed in this family , many of which are considered plant/crop pests.
However, there are differences between these sexual social insects and the clonal aphids, which are all descended from a single female parthenogenetically and share an identical genome. About fifty species of aphid, scattered among the closely related, host-alternating lineages Eriosomatinae and Hormaphidinae, have some type of defensive morph ...
Aphidinae is an aphid subfamily in the family Aphididae.. Many species of aphids spread potyviruses and most are from the subfamily Aphidinae (genera Macrosiphum and Myzus).Most have alternative hosts, the primary host plant is usually a tree, and the secondary one is herbaceous.
In warmer climates, parthenogenetic reproduction takes place throughout the year. The winged male insects are seldom encountered but have been observed in Germany, India and Argentina. The aphids tend to concentrate on the growing tips of plants, young leaves, shoots, flowers and developing seed pods.
Aphis is a genus of insects in the family Aphididae containing at least 600 species of aphids. [1] It includes many notorious agricultural pests , such as the soybean aphid Aphis glycines . Many species of Aphis , such as A. coreopsidis and A. fabae , are myrmecophiles , forming close associations with ants .
Aphidiines are koinobiont endoparasitoids of adult and immature aphids. While the larva of the 2–3 mm long Praon leaves the hollowed shell of the aphid from below to pupate in a volcano-like cocoon, most other Aphidiinae pupate inside the dead aphid and break out afterwards.
Aphis gossypii is a tiny insect, an aphid ("greenfly") in the superfamily Aphidoidea in the order Hemiptera. It is a true bug and sucks sap from plants. It is a true bug and sucks sap from plants. It is a widely distributed pest of a variety of agricultural crops in the families Cucurbitaceae , Rutaceae and Malvaceae . [ 2 ]
Female aphids reproduce by parthenogenesis, males have never been observed in the wild but have been produced under laboratory conditions. [10] Females may be wingless or winged ( alate ), the production of the alate form occurs a higher rate in those regions where it is necessary for oleander aphid to migrate each year on to temporary hosts.