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See Aphid.

1) The sticky secretions of aphids and other scale insects.2) A cultivar group of melon.

Aphid-like insects of the family Adelgidae that are found exclusively on conifers. They feed on the sap of the host tree and cause cone-like growths, which can stunt or kill twigs and, in severe infestations, disfigure ornamental trees.

appear in summer on the upper surface of lime tree leaves. These growths, or galls, may be yellowish green or red. lime treesn/aMore common garden pests affecting fruit treesApple sawflyCurrant blister aphidsPear leaf blister miteAphids

Jekka McVicar's 10 companion plantsJekka McVicar's organic herb garden achieved a gold medal at the Chelsea Flower Show 2009. We caught up with her at the show to discover her top 10 herbs for growing as companion plants.Companion planting

Last week I mentioned that my broad beans were mysteriously free from their usual curse of blackfly. Strictly speaking, blackfly isn't a black fly, but a 'black bean aphid'.And while my broad beans may be free from the pest this year, they normally

Watch Monty's video guide to planting shrub roses, and pick up tips on planting depth, preventing root rock and deterring aphids.spring or autumnMore advice on caring for rosesAdvice on pruning shrub rosesHow to plant a rose bushPlant a rambling

Sow seeds of herbs in pots to grow on your kitchen windowsill, such as coriander, parsley and basilLook out for woolly aphid on fruit trees, and spray any with soapy waterThin out seedlings from earlier sowings to their final spacings

, the sweet sticky substance that aphids excrete. Ants are known to defend aphids against predators in return for a harvest of honeydew.Container-grown plants start to wilt. When you check the pot you notice ant tunnels, and that compost has been moved away

Plant out tender summer-bedding plants, such as begonias, once all risk of frost has passedLook out for aphids on lupins, and spray with a soap-based insecticide if infectedPush canes into pots of tall-growing lilies and tie their stems