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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 ...
Aphis craccivora, variously known as the cowpea aphid, groundnut aphid or black legume aphid, is a true bug in the family Aphididae. [2] Originally of probable Palearctic origin, it is now an invasive species of cosmopolitan distribution .
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 .
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 widely distributed pest of a variety of agricultural crops in the families Cucurbitaceae, Rutaceae and Malvaceae. [2] Common names include cotton aphid, melon aphid and melon and cotton ...
Woolly aphids on crab apple bark. Pemphigus gall on cottonwood tree Grylloprociphilus imbricator on Fagus Galls made by Melaphis rhois. Woolly aphids (subfamily: Eriosomatinae) are sap-sucking insects that produce a filamentous waxy white covering which resembles cotton or wool. The adults are winged and move to new locations where they lay egg ...
The small, bright orange, slug-like larvae inject a toxin into aphids' leg joints to paralyze them and then suck out the aphid body contents through a hole bitten in the thorax. [3] Larvae can consume aphids much larger than themselves and may kill many more aphids than they eat when aphid populations are high. [ 2 ]
Adults of Hyalopterus pruni aptera can reach a body length of about 1.5–2.6 mm (0.059–0.102 in). These small to medium-sized aphids are narrow and oval shaped, with a conical tail and quite short antennae, reaching half the length of the body. They are pale bluish green, while the eyes are red.