and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to…
depends on the host plant and can vary from 2 to 4.5 mm. The young nymphs are white to yellowish, more oval in form and with a raised H-pattern on the…
the transmission of plant viruses. Infestations start usually at the younger parts of the plant but can spread all over the plant. Nymphs and adults…
Damage symptoms Mealybugs inflict damage on the crop in various ways: Nymphs and females extract the sap from the plant, stunting growth and causing…
American origin and was probably introduced into Europe with plant material. It feeds on blueberries and is a vector of blueberry scorch virus. Life…
causing build-up of sticky deposits on nearby surfaces. The honeydew may attract attendant ants and sooty moulds grow on the sugary deposits. Removal…
Madeira. It is polyphagous, observed on 160 cultivated and wild plant species – trees as well as herbaceous forms - of 42 plant families, and it is…
spring, the blackcurrant aphid lives on the underside of the young leaves of currant plants. It does not induce a gall on blackcurrant. In June, it…
spread the infestation to other rose plants and sometimes also to secondary hosts. Colonies are often present on rose bushes throughout autumn until…
produce eggs to overwinter) and monoecious (i.e. they do not change their host plant for overwintering). Wingless females are green or yellow green,…
Get the latest news and information about your crops directly in your mailbox