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Potato Aphid
Overview
Potato aphid (Macrosiphum euphorbiae) is a relatively large aphid species associated with potatoes, tomatoes, ornamentals and protected crops.
It can cause feeding damage, honeydew contamination and may contribute to virus risk in some systems.
Identification
Typical features include:
- relatively large aphid size
- green or pinkish forms
- long legs and antennae
- colonies on young growth and leaf undersides
Crop symptoms
- Leaf distortion
- Honeydew
- Sooty mould
- Reduced vigour
- Contamination of marketable crop
Host relevance
Important in:
- potatoes
- tomatoes
- ornamentals
- protected edible crops
- nursery stock
IPM relevance
Potato aphid should be monitored as part of broader aphid IPM programmes, especially where protected crops support continued population growth.
Biological control relevance
Useful biological control may include: