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Cherry Blackfly
Overview
Cherry blackfly (Myzus cerasi) is a dark aphid species associated with cherries and ornamental Prunus hosts.
Colonies can rapidly distort shoot growth and affect young tree development.
Symptoms
- tightly curled shoot tips
- dense black aphid colonies
- distorted soft growth
- sticky honeydew
- reduced vigour
Environmental drivers
Pressure commonly increases during:
- spring flush growth
- warm weather
- vigorous vegetative development
IPM considerations
Key focus areas include:
- early shoot inspections
- monitoring young trees
- preserving beneficial insects
- avoiding excessive vegetative growth
Related BioWiki pages
Use this page alongside
Commonly affected crops
Additional IPM notes
Cherry blackfly is strongly associated with young soft cherry growth.
Colonies can cause severe leaf curling, distorted shoot tips and reduced tree vigour.
Monitoring should begin early in spring as new shoots expand.
Curled leaves protect colonies, so early detection before leaves tighten is important.