Because we associate grasshoppers and crickets with the lazy days of summer, to dream of them may be often be more positive than is suggested by the interpretations above; your dream may simply have been wish-fulfillment. It could also have been a comment on your grasshopper mind: the inability to focus on anything for long before turning to something else.
The image of a plague of locusts is so strong in human thought that even in dreams it can present retribution for some wrongdoing in waking life. Dreams of locusts could mirror the horde of ugly problems that have been plaguing you in your waking hours. To see locusts in your dream could also signify scattered thoughts that need direction if they are to make an impact in your waking life.