ZonePlant

Pest on crop

Woolly Apple Aphid on pear

Eriosoma lanigerum

Aphid that feeds on apple roots and aerial wood, producing distinctive cottony white wax. Root colonies cause galls that reduce vigor; aerial colonies disfigure new growth.

Pest
Woolly Apple Aphid
Scientific name
Eriosoma lanigerum
Crop
Pear
Total hosts
2

Woolly Apple Aphid on pear

Detailed guidance for this section is being prepared. Check back soon.

Signs on pear

  • Cottony white woolly masses on shoots, branch wounds, and at the base of trunks
  • Galls and swellings on roots when soil is excavated
  • Reduced shoot growth and vigor
  • Sticky honeydew below colonies

IPM controls

  • Plant on resistant rootstocks (M.111, MM.106, Geneva series)
  • Encourage parasitic wasp Aphelinus mali (the standard biocontrol)
  • Spot-treat aerial colonies with horticultural oil or insecticidal soap
  • Remove and destroy heavily infested suckers and water sprouts during dormant pruning
  • Improve tree vigor with proper irrigation and nutrition

Other crops affected by woolly apple aphid

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