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Adults and nymphs on cotton. 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 ...
They are major pests of greenhouse crops and species often encountered in greenhouses include: green peach aphid (Myzus persicae), cotton or melon aphid (Aphis gossypii), potato aphid (Macrosiphum euphorbiae), foxglove aphid (Aulacorthum solani) and chrysanthemum aphid (Macrosiphoniella sanborni) and others, which cause leaf yellowing ...
Gossypium (/ ɡɒˈsɪpiəm /) [ 2 ] is a genus of flowering plants in the tribe Gossypieae of the mallow family, Malvaceae, from which cotton is harvested. It is native to tropical and subtropical regions of the Old and New Worlds. There are about 50 Gossypium species, [ 3 ] making it the largest genus in the tribe Gossypieae, and new species ...
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 masses. The nymphs often form large cottony masses on twigs, for protection from predators. Woolly aphids occur throughout the ...
Beech blight aphid. The beech blight aphid (Grylloprociphilus imbricator) is a small insect in the order Hemiptera that feed primarily on the sap of American beech trees. The aphids form dense colonies on small branches and the undersides of leaves. A secondary host, based on their geographic location, is the roots of the bald cypress (Taxodium ...
Myzus persicae. (Sulzer, 1776) [ 1 ] Green peach aphid that has been killed by the fungus Pandora neoaphidis Scale bar = 0.3 mm. Myzus persicae, known as the green peach aphid, greenfly, or the peach-potato aphid, [ 2 ] is a small green aphid belonging to the order Hemiptera. It is the most significant aphid pest of peach trees, causing ...
The Aphididae are a very large insect family in the aphid superfamily (Aphidoidea), of the order Hemiptera. These insects suck the sap from plant leaves. Several thousand species are placed in this family, many of which are considered plant/crop pests. They are the family of insects containing most plant virus vectors (around 200 known) with ...
Aphis. 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.