The 4 entries in Laisha's encyclopedia that attack Lettuce, grouped by type. Each page covers identification, life cycle, the conditions that favour it, action thresholds and integrated management.

Growing Lettuce? The free Lettuce grow guide covers the crop from sowing to harvest.

Insect pests

• Green peach aphidMyzus persicaeInsect · A small, soft-bodied aphid found on hundreds of crops worldwide. Colonies curl leaves and leave sticky…
• Serpentine leafminer (Liriomyza leafminers)Liriomyza trifoliiInsect · Leafminers are tiny black-and-yellow flies whose maggots tunnel inside leaves, leaving pale, winding trails.…
• Western flower thripsFrankliniella occidentalisInsect · A thrips barely visible to the eye that lives in flowers and young leaves of vegetables, fruit and…

Fungal diseases

• Grey mould (Botrytis)Botrytis cinereaFungal disease · Grey mould is a fluffy grey fungus that rots strawberries, grapes, tomatoes, flowers and hundreds of other…