Bondi Junction NSW, Australia
Fact Sheets
Sweetpotato gall mite (138)
Pacific Pests, Pathogens and Weeds
Pacific Pests, Pathogens and Weeds


  • Widespread distribution. South and Southeast Asia, Oceania. On sweetpotato and weeds in Ipomoea (morning glory) family. Probably reduces yield, but not known).
  • Eggs laid in the galls, nymphs hatch, later becoming wormlike, white, cylindrical, tapering adults.
  • Irregular growths (the galls) on the stems, leaves and leaf stalks, varying from 2-10 mm long and 1-5 mm wide. A microscope is needed to see the mites.
  • Spread occurs on cutting used for planting.
  • Cultural control: use only gall-free cuttings; cut off any vines with galls; weed; destroy volunteer sweetpotatoes; collect vines after harvest and burn.
  • Chemical control: no trials reported; try abamectin.

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