The Eco-CLM Trap attracts male citrus leafminer adults and prevents them from mating with females. Fewer pregnant females means greater protection for your citrus trees. The eco-CLM trap consists of a rubber plug impregnated with a pheromone and a sticky paper trap. Simply open the trap, throw the plug inside (it will stick) and hang in your tree. For small trees use one trap. For larger trees you’ll need 2 traps. Female citrus leafminers only lay eggs on flushes of new growth so hang the trap when new growth commences. Replace every 8-12 weeks or sooner if the sticky trap is full.