Thrips can destroy an entire capsicum crop long before you notice the insect itself. That’s why early identification is the most powerful protection a farmer has. Here are the first warning signs you must never ignore: 1. Silvery or bronze patches on young leaves Thrips scrape the surface and suck sap, leaving behind a shiny, damaged layer. This is usually the very first indicator. 2. Upward curling of leaves If your capsicum leaves start curling upwards and fail to open properly, thrips are alr