Encyclopedia
Plant pests
Identification and control of the most common pests.
Greenhouse whitefly
Tiny (1–2 mm) white insects resembling minuscule moths that rise in a cloud when the plant is disturbed. They …
5 plants in the atlasAphids
Small (1–3 mm) soft-bodied insects, green, black or pink, feeding in clusters on young shoots and the undersid…
48 plants in the atlasCarrot fly
A fly whose larvae tunnel through the roots of carrots (as well as parsley, celery and parsnip). Symptoms: rus…
1 plant in the atlasSpider mites
Tiny (0.3–0.5 mm) arachnids, hard to spot with the naked eye, feeding on the underside of leaves. Symptoms: fi…
17 plants in the atlasSlugs and snails
Slugs and shelled snails that feed at night and after rain. Symptoms: irregular holes in the leaves and young …
10 plants in the atlasArmoured and soft scale insects
Immobile, brown or yellowish shields (1–4 mm) attached to stems and the underside of leaves, especially along …
11 plants in the atlasMealybugs
Insects covered in a white, cottony, waxy coating, gathering in leaf axils, at the base of shoots and on the u…
14 plants in the atlasFungus gnats
Small, dark gnats (2–4 mm) flying around pots and scurrying across the surface of the substrate. The adults ar…
4 plants in the atlas