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Rhopalosiphum rufiabdominale, the rice root aphid or red rice root aphid, is a sap-sucking insect pest with a wide host range and a global distribution. [2] As a member of the superfamily Aphidoidea, it is one of 16 species of the genus Rhopalosiphum. [3] Adults and nymphs are soft-bodied and usually dark green with brown, red, or yellow tones. [4]
Pemphigus betae, also known as the sugarbeet root aphid, is a species of gall-forming aphid that forms galls specifically on the commonly found narrowleaf cottonwood (aka the willow-leaved poplar tree), Populus angustifolia. Sugarbeet root aphids have been found in North America and Europe. [2]
Volatile products from interplanted onions have been shown to prevent aphid attack on adjacent potato plants by encouraging the production of terpenoids, a benefit exploited in the traditional practice of companion planting, while plants neighboring infested plants showed increased root growth at the expense of the extension of aerial parts. [32]
Rhopalosiphum is a genus of aphid of the family Aphididae that includes 17 species worldwide. [1] Apart from sucking the phloem of host plants and thereby being treated in agriculture as pests, some species are vectors for viral plant pathogens. [2]
The survival of the eggs and/or overwintering aphids determines the numbers of aphids present the following spring. [4] The within-year dynamics of aphids are largely determined by seasonal changes in host quality. Aphids do best when amino acids are actively translocated in the phloem.
The oriental grass root aphid (or rice root aphid), Tetraneura akinire, is an aphid 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.
Aphis gossypii — cotton aphid; Aphis glycines — soybean aphid; Aphis helianthi — sunflower aphid; Aphis nerii — oleander aphid; Aphis pomi — apple aphid; Aphis rubicola — small raspberry aphid; Aphis rumicis - black aphid; Aphis spiraecola — spirea aphid (syn. Aphis citricola — citrus aphid) Aphis valerianae — black valerian aphid
Aphis forbesi Weed, 1889 c g b (strawberry root louse) Aphis frangulae Kaltenbach, 1845 c g; Aphis franzi Holman, 1975 c g; Aphis fraserae Gillette & M.A. Palmer, 1929 c g; Aphis frisoni (Hottes, 1954) c g; Aphis fuckii Shinji, 1922 g; Aphis fukii Shinji, 1922 c g; Aphis fumanae Remaudière, G. & Leclant, 1972 c g; Aphis funitecta (Börner ...