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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous Trees > Hackberry > Growths or bumps on leaves

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Hackberry > Leaves > Growths or bumps on leaves

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  • Image: Hackberry nipple gall 1
  • Image: Hackberry nipple gall 2
  • Image: Hackberry nipple gall 3

Hackberry nipple gall
Pachypsylla celtidismamma

  • Circular, nipple-like swellings that project from the undersides
    of leaves
  • There are yellow discolorations on upper leaf surface above the nipple galls
  • Premature leaf drop can occur during heavy infestations
  • Adults are light brown with flecks of creamish-white and look like miniature cicadas; 1/8th to 3/16th long
  • More information on Hackberry nipple gall...
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  • Image: Hackberry blister gall 1
  • Image: Hackberry blister gall 2
  • Image: Hackberry blister gall 3

Hackberry blister gall
Pachypsylla celtidisvesicula

  • Small, BB-like, 1/8th inch wide raised growths on upper leaf surface
  • Adults are light brown with flecks of creamish-white and look like miniature cicadas; 1/8th to 3/16th long

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