search
Identifying aphids on Lettuce
Soft-bodied, pear-shaped insects in green, black, yellow, or brown. Often clustered on new growth and undersides of leaves.
cycle
Life cycle
Reproduce rapidly without mating in spring/summer. One female can produce 80+ offspring per week. Multiple generations per year.
warning
Damage to Lettuce
Suck sap from soft tissue, causing distorted growth, sticky honeydew, and sooty mould. Can transmit viruses.
healing
How to treat aphids on Lettuce
Spray with strong water jet to dislodge. Apply insecticidal soap or neem oil. Introduce ladybirds.
shield
Preventing aphids on Lettuce
Encourage natural predators. Avoid excess nitrogen. Inspect new plants.