Crop Protection :: Pests of Aonla
Leaf roller: Caloptilia (=Gracillaria) acidula
Symptom of damage
- Slender green larvae mine part or whole of the leaflets of compound leaves
- Leaflets turns pale brown or dark brown
- Upper epidermis separated from the lower
- Intervening space filled with black excreta
- Folded portion is skeletonized & dries up
- In severe attack, the leaflets are twisted up to form cocoons
- If the branch disturbed, all larvae leave their mines
Identification of the pest
- Larva – cylindrical, yellow with thin, scattered hairs
- Adult – small, brownish moth
Management
- Clean cultivation
- Collection and destruction of infested plant parts along with leaf roller
- Spray application of dimethaote 0.03% and quinalphos 0.025% were found effective against leaf roller
Image source:
http://www.nbair.res.in/insectpests/Caloptilia-acidula.php
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