Ask the Great God to help me see what this little black bug on my gourd is and how to cure it.

According to the information you provided, you are not sure what the black bug on your gourd is, but you can provide some general suggestions to deal with insects as follows:

1. If this insect is an aphid, try spraying imidacloprid.

2. If it is other insects, consider using some natural pesticides, such as soapy water, noodle soup, tobacco water, tea, vinegar, garlic water, tobacco water and so on.

When using these methods, please take appropriate safety measures, such as wearing gloves, to avoid direct contact with these substances.

If this insect problem persists or you are not sure, it is recommended to consult a professional botanist or insect expert.