- Exami 20WG medicine is a high-quality granule, containing the active ingredient Flonicamid, the newest generation in Vietnam today! Flonicamid effectively kills all types of suckers, leafhoppers, aphids, jumping beetles, rice brown planthoppers, velvet spiders, thrips, whiteflies, whiteflies, psyllids... Drug for drainage, deep penetration, translocation and causes insects to stop sucking immediately.