1)Fruit borer: It feeds on pulp and thus damage fruits and make unfit for human consumption. Small pin head hole can be seen on fruits.
Keep orchids clean. Destroy affected and fallen fruits away from the field. Release Trichogramma @ 20,000 eggs / acre. Take combine spray of Nimbicidine@50gm/10Ltr of water + Cypermethrin 25EC@8ml/10Ltr and Dichlorvos@20ml in 10 Ltr water at fruit set and color development stage. Repeat the spray at interval of 7 days. Spraying of Diflubenzuron 25WP@2gm/Ltr of water at fruit development stage is also effective. Take last spray 15 days before harvest.
2)Mite: Serious pest of Litchi. Nymph and adults suck sap from the under surface of leaf, shoot etc. Due to mite infection, leaves turn yellow to greyish yellow. Affected leaves get curl, twisted and later get defoliate.
Remove and destroy affected portion. Take two spray of Dicofol 17.8EC@3ml/Ltr or Propargite 57EC@2.5ml/Ltr of water with interval of seven days. Take spray of these insecticides on new shoots and before panicle emergence.
3)Leaf miner: If infestation is observed, remove affected leaves.
At new flush development stage, take spray of Dimethoate 30EC @200ml/150Ltr or Imidacloprid 17.8SL@60ml/150Ltr. Take second spray with interval of 15 days.