Leaf miner insects are very small. They go inside the leaves and make tunnels. This gives white lines on the leaves.
The adult moth is light yellow in color and the young insect is very small and footless yellow in color.
Insect infestation starts on the leaves. This insect creates a spiral tunnel in the leaves.
Photosynthesis process of plants is affected . Hence, the leaves fall.
For control of this insect use Abamectin 1.9 % EC @ 150 ml/acre or Chlorantraniliprole 8.8 + Thiamethoxam 17.5 SC@ 200 ml/acre or Cyantraniliprole 10.26 % OD @ 300 ml/acre.
As biological treatment use Beauveria Bassiana @ 250 gram/acre