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An aphid infestation can ruin a garden. Learn what causes aphids and how to identify, kill, and control them naturally for healthy plants with no aphid holes.
Infested trees may appear to have their branches and twigs covered with snow. This aphid has a defensive behaviour in that it raises the posterior end of its body and sways from side to side when disturbed. Many aphids performing this action at the same time has led to this species being referred to as the "Boogie-Woogie Aphid". [2]
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]
Aphids can also transmit viruses and allow sooty mold to take hold. When the population becomes too large, an aphid might grow wings and fly away to find a fresh host plant.
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
In parts of yard, overwintering bees and other beneficial insects live in dormant plant material. But aphids, beetles lurk in veggie plot.
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