1- The image of a plague of locusts is so strong in Western thought that even in dreams it has come to represent retribution for some misdemeanour.
2- As a Hying insect the locust can signify scattered thought, and concepts which have not been properly thought out and marshalled. Put together they may be a very powerful tool, but should be used wisely
3- Spiritually locusts signify divine retribution, but also a misuse of resources.... Ten Thousand Dream Dictionary
Psychological / emotional perspective: As a flying insect, the locust can signify scattered thought and concepts that have not been properly thought out and marshalled. Put together, they may be a very powerful tool, albeit somewhat dangerous.... Dream Meanings of Versatile