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potato psyllid [1 record]

Record 1 2016-10-12

English

Subject field(s)
  • Insects, Centipedes, Spiders, and Scorpions
  • Animal Pests (Crops)
  • Vegetable Crop Production
Universal entry(ies)
DEF

A hemipterous insect (Paratrioza cockerelli) that feeds on potato and tomato plants and causes psyllid yellows.

CONT

Although the potato psyllid is predominantly a pest of potatoes and tomatoes, it has a wide number of alternate hosts including eggplant, peppers, and common weeds ... Potato psyllids, like aphids and leafhoppers, suck plant sap through needlelike mouthparts. They feed in a similar manner to aphids, but instead of producing a shiny film of honeydew on the leaves, their sugary exudate resembles a white powder. The nymphs are the damaging stage because when feeding, they inject a toxin that causes a physiological condition known as "psyllid yellows." Feeding by this pest not only causes yellowing of the plant, but can also result in loss of vigour and yield due to a combination of reduced fruit set and fruit size.

French

Domaine(s)
  • Insectes, mille-pattes, araignées et scorpions
  • Animaux nuisibles aux cultures
  • Production légumière
Entrée(s) universelle(s)
OBS

psylle : Insecte homoptère suceur, ressemblant à une cigale miniature (2 à 3 mm de long), dont quelques espèces occasionnent des dégâts [...]

Spanish

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