• Geranium aphid

  widely distributed in northern and western Europe. Damage symptoms Wingless aphids may form large colonies on young strawberry foliage, particularly along the [...] petioles. In outdoor strawberries they reach their peak in June. Winged aphids are formed from May onwards and are responsible for spreading the infestation [...] mottle virus. Life cycle and appearance of Acyrthosiphon malvae rogersii Aphids have a complex life cycle, with both winged and wingless forms of adults

• Apple rosy aphid

  prematurely. Feeding of aphids directly on fruits causes reddish blotches on the skin. Life cycle and appearance of Rosy apple aphid Aphids have a complex life [...] crevices on spurs and smaller branches, and on the base of buds of apple trees. The eggs hatch in spring and at first the aphids attack buds, spur leaves and [...] America, and Asia and can cause severe damage to both shoots and fruits. Damage symptoms Infested apple leaves are severely curled downwards and disfigured

• Glasshouse potato aphid

  potato aphid ( Aulacorthum solani) is a native European species of aphids , seriously affecting crops of sweet pepper in particular. These aphids further [...] aubergine and sometimes tomato. Damage symptoms When the glasshouse potato aphid (Aulacorthum solani) pierces the leaves or the fruit of sweet pepper it [...] lower leaves in the crop can cause deformed growth above with lumpy leaves and curled leaf margins. The immediate effects of piercing by the aphids are visible

• Yellow rose aphid

  is a pest of strawberries and roses. Damage symptoms The yellow rose aphids usually live in young unfolded leaves. Nymphs and adults extract nutrients [...] yellow rose aphid is also a vector of several viruses attacking strawberries and roses. Life cycle and appearance of Yellow rose aphid Aphids have a complex [...] rise to deformed leaves. Retarded growth and defoliation reduce yield. Plant sap is rich in sugars, but has a low protein content. Aphids therefore need

• Black bean aphid

  range of other crops. Damage symptoms Economic damage by black bean aphid is mainly due to direct feeding damage. Indirect damage is caused through the [...] sticky. Black moulds grow on this honeydew, contaminating fruit and ornamental crops. At the same time, photosynthesis in the leaves is reduced, affecting [...] affecting production. Life cycle and appearance of Black bean aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great

• Green peach aphid

  control of aphids - Aphelinus abdominalis Biological control of aphids - Aphidius colemani Damage symptoms Of all the aphids , the peach potato aphid ( Myzus [...] young aphids are born as developed nymphs. They immediately start to feed on plant sap and grow rapidly. When reproduction is sexual, the aphids lay eggs [...] distribution. The green peach aphid ( Myzus persicae subsp. persicae ) is a particularly polyphagous aphid with summer host plants from more than 40 different

• Large blackberry aphid

  overwinter as eggs on blackberry plants. After emerging in spring, the aphids mainly feed on the underside of leaves and start to reproduce parthenogenetically [...] General The large blackberry aphid, Amphorophora rubi , is very similar to the large raspberry aphid Amphorophora idaei . As both aphid species are host specific [...] blackberry aphid is widely distributed in Europe and also established in New Zealand. It only feeds on cultivated and wild blackberries. Damage symptoms

• Large raspberry aphid

  raspberry aphid, Amphorophora idaei, is the most important aphid species found on raspberries in Europe. It only feeds on raspberry. Damage symptoms Large [...] various raspberry viruses by the aphids. Life cycle and appearance of Large raspberry aphid Aphids have a complex life cycle, with both winged and wingless [...] large raspberry aphid are laid near the base of vegetative canes and hatch in spring. After emerging in spring, the aphids mainly feed on the underside of

• Buckthorn-potato aphid

  body length. The aphids overwinter as eggs on buckthorn. After emerging in spring, the aphids mainly feed on the underside of leaves of their summer hosts [...] worldwide distribution. Damage symptoms Direct damage, caused by sucking of sap is rarely seen. Sometimes, large populations build up on potatoes or other hosts [...] of viruses. Life cycle and appearance of Buckthorn-potato aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a

• Woolly apple aphid

  of Woolly apple aphid In contrast to other aphids , the life cycle and survival from year to year of the woolly aphid depends entirely on wingless, part [...] found in pear, quince and a few other woody Rosaceae. Damage symptoms Galls are often produced on infested wood. These galls may seriously disfigure young [...] rots or apple canker. Woolly aphid does little direct harm to mature trees but the sticky masses of “wool” may contaminate leaves and fruits and can be a nuisance