Join the RHS today and support our charitable work
Keep track of your plants with reminders & care tips – all to help you grow successfully
RHS members get reduced ticket prices
RHS members get free access to RHS Gardens
Free entry to RHS members at selected times »
Reduced prices on RHS Garden courses and workshops
020 3176 5800
Mon – Fri | 9am – 5pm
Help us achieve our goals
Join the RHS today and support our charity
Globe thistle (Echinops) foliage can be mined by the larvae of a fly that feeds within the leaves.
Leaf mines in Echinops foliage.
Echinops leaf miner is a small fly which develops as larvae that feed within the foliage of wild and cultivated globe thistle (Echinops) plants.
The adult flies are ash grey and about 2mm long. They feed by rasping the leaf surface, causing many small pale spots on the upper leaf surface. More significant damage is caused by the creamy white larvae. They eat the internal tissues of the leaves and cause whitish brown discoloured blotches. The mines typically have a pale edge around the darker brownish centre.
There are probably at least two generations during the summer and by August leaves can be affected by several mines.
Echinops plants will survive and produce flowers, even when there is extensive leaf mining, so it is not necessary to control this insect.
Echinops leaf miner has at least two generations during the summer. The females deposit their eggs on the foliage during April and July. The eggs hatch into legless larvae that tunnel into the foliage where they eat the internal tissues. The mines are linear forming silvery lines throughout the leaf, lines of black excrement (frass) are often visible within these mines. When fully fed, the larvae pupate within the mines.
Allium leaf miner
Apple leaf miner
Astrantia leaf miner
Chemical labels explained
Chemicals: using a sprayer
Chemicals: using safely and effectively
Chrysanthemum leaf miner
Celery leaf mining fly
Hellebore leaf miner
Holly leaf miner
Horse chestnut leaf miner
Laburnum leaf mining moth
Lilac leaf mining moth
Sempervivum leaf miner
the RHS today and get 12 months for the price of 9
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
We're a UK charity established to share the best in gardening. We want to enrich everyone's life through plants, and make the UK a greener and more beautiful place.