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Black Cherry Aphid

 

black cherry aphidblack cherry aphid

Hosts:  cherry


Biology
:  Overwinter as eggs on twigs and fruit spurs; hatch just before bloom.  Migrate to mustard family weed hosts during summer.


Symptoms:
  Curled leaves; honeydew.


Monitoring:
  Look for shiny black eggs in early spring at the base of buds. 


Treatment Threshold:
  No threshold determined.


Degree Day Model:
  none


Management Considerations:
  Delayed dormant oil will usually take care of this aphid.  Numerous beneficial insects including lady beetle adults and larvae, lacewing larvae, and syrphid fly larvae help suppress aphid populations.