Whitefly on citrus. Symptoms and Treatment

  • Whiteflies belong to the Aleurodida family and thrive in warm, humid climates.
  • Affected trees show yellow leaves and a sticky coating called honeydew.
  • Treatments include yellow traps, manual removal, and the use of environmentally friendly insecticides.
  • Neem oil and potassium soap are effective solutions to combat the pest.

small whiteflies on leaves trying to attack the tree, leaves and fruits

The whitefly is a class of insect that is part of the family composed of the “Aleurodids".

Generally, these insects grow approximately three millimeters and they go through about four stages during 12 months depending on the climate and being in greenhouses it is possible that they even have ten stages.

whiteflies on the leaves of some citrus tree

They normally appear in humid environments whose climates are composed of high temperatures, this is the reason why Spain turns out to be an ideal country for the development of these insectsespecially during the summer.

Apart from this, it is necessary to mention that whitefly infestation usually settles on citrus crops, being the most notable because it conditions any intervention carried out on the other pests and/or diseases of which citrus fruits are usually victims, as mentioned in the article on whitefly plague.

Symptom

Among the main symptoms that trees present when affected by the presence of the whitefly, it is usually the yellow color that its leaves acquire, which also become discolored and little by little they dry out until they fall off.

Apart from this, leaves develop a coating made of a shiny, sticky substance called honeydew, which is expelled by insects. This honeydew also causes other indirect problems, as its sweetness inevitably attracts ants, mites, and mealybugs, pests that end up being protected by the whitefly when phytosanitary treatments are applied. To learn more about the impact of this pest, you can consult the article on Whitefly and its effect on tomatoes.

Also, the presence of these insects causes weakening of sprouting on which it is located, and even defoliation (depending on the variety). And in young plants, whiteflies can cause the death of the species.

However, in most cases, the damage is usually limited due to the production of agriculture and decrease in aesthetic value of ornamentalsIf you want to know more about the treatments you can apply, visit the article on remedies against whiteflies.

There are different methods to treat the presence of whitefly in citrus crops, which are: home remedies against whitefly, which can be very effective.

Control treatments

Use yellow chromatic traps

It is possible to acquire them and / or make them easily at home, since It's basically yellow cardboard next to some adhesive material. The yellow color attracts this type of flies, so placing this class of traps around the affected plants will allow control of whitefly populations.

Manual withdrawal

Because it is the least harmful treatment, it is usually best to remove this insect manually; it is possible to do it when the number of insects is small And you have to have great patience, since being a small and flying insect, it can be a bit complex.

Aspiration

It only works with really small populations. When using this technique, make sure to use the lowest level of suction on the vacuum cleaner, in order to keep affected plants protected from further damage.

Home Treatment

It consists of example in marinating garlic or tobacco, prepare a chili and garlic infusion, and use fermented ivy extract and/or lamenta decoction. For more information on the use of plants as a remedy, you can check out the article on plants that repel whiteflies.

Ecological treatments

tiny whiteflies attacking citrus

Neem oil

Alters the life cycle of the whitefly, since it is a powerful insecticide It is obtained through both the fruits and seeds of the tree that bears its name. It can be added to irrigation water to ensure that it is assimilated by the plant and remains there longer. If you want to learn more about its benefits, you can read the article on neem oil.

It is advisable to apply it every five days in order to cover the insect's life cycle. You can also read about how control whitefly on marijuana.

Potassium soap

It works through contact and allows to weaken the exoskeleton of the whitefly; In addition, it is possible to complement its application with the use of Neem oil.

Rotenone

The most convenient thing is to apply it every five days, since in this way it is possible to cover the life cycle of the whitefly.

If you want your citrus fruits not to suffer the attack of these annoying insects, follow our advice.

whitefly control and elimination
Related article:
Complete Guide to Whiteflies: Identification, Damage, and Control Methods

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