This insect is very agile and jumps from one leaf to another. There is a crackling sound in the field. Both nymph & adults sucking the cell-sap from the leaves. As a result, the cane leaves turn yellow and dry out. Spray Metarhizium anisopliae a fungus base powder @ 40 g per 10 lit of water. Pyrilla can be successfully controlled by releasing ecto-parasite, Epiricania melanoleuca @ one lakh (250 egg mass) and 200 cocoons per hectare.