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The adults of Eriosoma lanigerum are small to medium-sized aphids, [4] up to 2mm long, and have an elliptical shape, are reddish brown to purple in colour but the colour is normally hidden by the white cotton-like secretion from the specialised glands in the aphid's abdomen which gives it the common name of woolly apple aphid.
Aphelinus mali is a parasitoid wasp that exploits the woolly apple aphid (Eriosoma lanigerum), a pest of apple trees. [1] It is native to the northeastern United States but has been introduced to other parts of the world as a biological pest control agent.
The woolly apple aphid, Eriosoma lanigerum is a widespread pest of fruit trees, feeding principally on apple, but also, pears, hawthorn, ash, alders, elms and oaks. Gall making species include Melaphis rhois and Pemphigus spp. Further minor damage can be caused by the honeydew that woolly aphids
Aphids are repelled by strongly aromatic plants such as lavender, marigolds, garlic and mint. Plant these among your more vulnerable plants. Using trap plants is a different approach.
Treating bright orange aphids on milkweed isn't always needed, but these monarch-safe methods can help. ... skip pesticides and soap sprays and try these aphid control strategies instead: 1. Try ...
Eriosoma americanum (C.V.Riley, 1879) [1] — woolly elm aphid; Eriosoma anncharlotteae Danielsson, 1979; Eriosoma flavum Jancke, 1930; Eriosoma grossulariae (Schüle, 1887) Eriosoma lanigerum (Hausemann, 1802) — woolly apple aphid; Eriosoma lanuginosum (Hartig, 1839) Eriosoma patchiae (Börner & Blunck, 1916)
Melaphis rhois is an aphid species first identified by Asa Fitch in 1866. [1] Known as the staghorn sumac aphid, it is the only species in the genus Melaphis. [2] It is a type of woolly aphid and one of the few aphids that induce the formation of galls. [3]: 758
Aphis spiraecola is a species of aphid described in 1914 by Edith Marion Patch. [1] Its common names include green citrus aphid, [2] Spirea aphid, [3] and apple aphid. [4] It is distributed worldwide, and is most abundant in the United States. [5] It has a diploid chromosome number of 2n=8. [6]
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