Thrips: Thrips tabaci
Effects:
Thrips lacerate the tissues on the undersurface of leaves and suck the sap. As a result, they cause the shriveling of leaves which then become crumbled or wrinkled.
When infestation is severe, silvery patches are seen on the lower surface in the early stages of attack, causing broken edges.
Management:
For further study: https://www.researchgate.net/publication/318116444