In a dream, locusts represent an adversity, a trial, a calamity or a punishment. They also represent a destructive rain, or an occupation by a vehement army. Eating locusts in a dream means that one will receive money. If one fills a cup or a pitcher with locust in a dream it also means earnings. Any place locusts fly into without causing harm in a dream means overcoming from adversities. If a rich person who has lost his wealth sees a swarm of locust falling all over him in a dream, it means that he will recuperate his wealth.
Read more about dreaming of Locusts in other dream meanings interpretations.