Body is 4-5 mm long. Colour is a rich chestnut brown with white chevrons edged with black. Legs striped white with dark brown to black.
Final instar are 3.5 mm long with a head capsule 0.5-0.66 mm wide. Body is distinctly constricted between segments. Mouthparts are large and shield shaped.
White and 0.2-0.4 mm in diameter. Laid typically on the upper part of leaves near the veins.
Throughout Europe and Turkey.
Horse chestnut trees (Aesculus hippocastanum) and occasionally sycamore (Acer pseudoplatanus).
Larvae are leaf miners producing blotch mines across the leaf surface that become brown with age.