Leaf Miner Infestation Spreading Across Balcony Herbs and Vegetables

Serpentine Trails = Leaf Miners

The damage starting on basil and moving to tomato and pepper on your Croatian balcony is classic leaf miner activity—larvae feeding between the upper and lower leaf epidermis.

Confirm and Treat

• Use a hand lens to see the tiny larvae inside the mines.
• Take a sample to a local garden center for a specific insecticide recommendation.
• Treat all affected plants simultaneously to break the cycle.

Rule out chemical drift (household cleaners, etc.) as a cause of the spread.