Dreams of a cricket symbolize wisdom, and that you are attuned to the wisdom and music of nature, your instincts, and the still small voice within you that guides you to the right people, places and things at the right time.... Strangest Dream Explanations
Dreaming of crickets’ sound reveals that you are going through a period of peace and tranquility. When you are worried, this sound can become really annoying, so you should relax and stop overthinking problems.
According to the oracles, the next day after the dream will be particularly difficult, especially if the sleeper is ill. It also indicates a poor harvest.... The Big Dictionary of Dreams
To see crickets in your dream represents the need for introspection. You need to pay attention to Jiminy Cricket, your conscience. To hear crickets in your dream suggests that you are letting minor things bother you. To see a grasshopper in your dream foretells of enemies that will threaten your interest, disappointments in business or illness. To draw other people’s attention to a grasshopper signifies your indiscretion in dispatching your private business.
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.... The Element Encyclopedia