whitefly
C2Pronunciation
UK
- /wˈaɪtflaɪ/
US
- /wˈaɪtflaɪ/
Description
- tiny, sap-sucking insect
- plant pest
- greenhouse problem
Imagine a tiny white insect, almost like a little moth, fluttering around your garden plants. It may be a whitefly. These small insects are common pests that feed on plant sap, weakening the plant and sometimes spreading plant diseases. They are especially troublesome in greenhouses, where they can multiply very quickly. They may look harmless because they are so small, but a large infestation can badly damage crops and ornamental plants. You might notice them when a little white cloud rises after you disturb an infested plant.
The whitefly is not really a true fly at all. It is more closely related to aphids and scale insects. These tiny winged insects are well-known agricultural and garden pests. They live by sucking sap from plants and often leave behind a sticky substance called honeydew, which can lead to the growth of sooty mold. This weakens the plant, slows its growth, and makes it more likely to suffer from other problems.
There are many different species of whitefly around the world, and each has its own preferred host plants. Some attack vegetables such as tomatoes and peppers, while others go after ornamental flowers or trees. They are often a bigger problem in warm climates and enclosed places like greenhouses because they reproduce quickly and may have fewer natural predators there.
Farmers and gardeners fight whiteflies in different ways, from introducing helpful insects that feed on them, such as ladybugs, to using insecticidal soaps and oils. Finding an infestation early is important, because a small number of whiteflies can quickly turn into a major problem. So the next time you see a tiny white flutter around your plants, take a closer look. It may be a sign that these sap-sucking pests have moved in.
Examples
- 1
Greenhouse infestation
The tomato plants in the greenhouse were covered with whiteflies.
Meaning
whiteflies
tiny white insects that damage plants
- 2
Plant symptoms
If your herbs start turning yellow, check the undersides of the leaves for whitefly.
Pattern
check for + pest/problem
look to see if it is there
- 3
Pest control
We treated the whole greenhouse quickly to stop the whitefly from spreading.
Forms and spellings
1 form open this card.
Main spelling
- whiteflynoun