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Chrysanthemum Leafminer

Practical biological control, IPM and environmental pest-management knowledge.


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Chrysanthemum Leafminer

Overview

Chrysanthemum leafminer is relevant in ornamental production where leaf mining damage reduces plant quality and marketability.

Protected ornamental systems can support repeated generations if populations are not detected early.

Symptoms

  • serpentine mines
  • pale leaf trails
  • visible frass lines
  • reduced ornamental quality
  • adult fly activity

Crop relevance

Important in:

  • chrysanthemums
  • ornamentals
  • nursery stock
  • protected propagation

IPM relevance

Management should focus on:

  • regular scouting
  • removing heavily mined leaves
  • maintaining parasitoid activity
  • checking incoming plants
  • avoiding broad-spectrum disruption

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