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Brachycaudus helichrysi is a species of aphid first described by the German naturalist Johann Heinrich Kaltenbach in 1843. [3] Its common names include leaf curl plum aphid, [4] and leaf-curling plum aphid, and it is a serious pest of plum and damson trees. [5] [6]
Woolly Aphids on Apple tree branch. Many aphid species are monophagous (that is, they feed on only one plant species). Others, like the green peach aphid, feed on hundreds of plant species across many families. About 10% of species feed on different plants at different times of the year. [32]
Rhopalosiphum oxyacanthae, commonly known as the apple-grass aphid (and sometimes referred to as the apple-grain aphid [2]) is a species of aphid in the phylum Arthropoda. This species is considered a pest in agriculture and has a wide distribution around the world. These aphids can be commonly found on the fruits of apples and other such ...
The aphids may not be the original source of infection, but are instrumental in spreading the virus through the crop. [9] Various chemical treatments are available to kill the aphids and organic growers can use a solution of soft soap. [12] Wasp laying egg inside an aphid's body Aphids tended by ants
Thus, aphids show very complex and rapidly changing within-year dynamics, with each clone going through several generations during the vegetative season and being made up of many individuals, which can be widely scattered in space. The survival of the eggs and/or overwintering aphids determines the numbers of aphids present the following spring ...
As well as the parasitoid, Alphelinus mali, these aphids are preyed on by the bug Anthocoris nemoralis, ladybirds, hoverfly larvae and lacewings. The presence of earwigs Forficula auricularia on the trees can reduce the levels of aphid infestation, so encouraging these insects by providing shelters may be another means of biological control. [1]
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