What are Whiteflies?  

Small white winged sap-sucking flies that are not true flies. They resemble tiny white moths with a wingspan of 3mm. Whiteflies have become very prevalent in recent years and there are several different types which are major pests for home gardeners.

The Silverleaf Whitefly (Bemisia tabaci) and the Greenhouse Whitefly (Trialeurodes vaporariorium). If the plant is disturbed, a cloud of tiny insects fly out but they soon settle back onto the same plant. Both the adult and juvenile (nymph) whiteflies suck the juices from the plant.

Favoured plants are hibiscus, poinsettia, gerberas, herbs such as sage and mint, vegetable seedlings such as squash, melon, eggplant, cabbage and bean, tomato and broccoli.



Wilting and stunting of new shoots. Can cause silvering and yellowing of leaves (eg. squash) and uneven ripening of tomatoes and sometimes plant death. Sooty mould often accompanies large numbers of whiteflies as they excrete honeydew when feeding on plant tissue.


How to Protect your plants

White fly are best controlled using alternating sprays, as the insects can build up chemical resistance very quickly. Alternating insecticides help to prevent this from happening. Spraying is best done in the early morning or late afternoon when the insects are more restful.


Plants impacted

  • Hibiscus
  • Pointsettia
  • Gerberas
  • Sage
  • Mint
  • Squash
  • Melon
  • Eggplant
  • Cabbage
  • Bean
  • Tomato
  • Broccoli

Recommended products to control Whiteflies

More articles


There are many types of caterpillars which are usually the larval (caterpillar or grub) stage of moths and butterflies.

Mealy Bug

Make mealybug a thing of the past by talking to the expert gardening team at Yates. We can answer your questions and provide all the information you need.


There are 7,400 species of thrips in the world and quite a few are serious pests of plants.


Rid your plants of white flies with products and advice from the expert team at Yates. White flies are always guaranteed to turn up to be prepared from the start.