Hello,
These insects are Tea Mosquito Bugs feeding on cashew; they cause lesions that result in drying of shoots, blossom blight, dropping of immature nuts, and lesions on the nuts.
Tea Mosquito Bugs can also infest plants grown in the same area as Important host plants include neem, cocoa, guava...
The management of the bugs needs to be done on the cashew trees and other trees grown in the same area.
Check with your local extension services for available biological control measures or recommended and authorized pesticides. Make sure to use all protective equipment and follow other recommendations when applying pesticides.
dont wait apply insecticide because they will destroy the whole plantations by eating laying on eggs . over 2 years ago.