Somebody that sells produce at our farmer's market said that if you wait till about June 1 to plant squash, their cycle has passed and you will not get them. I have never tried this myself so can't say for sure this is true. I am just passing on what she said.
Most home made sprays use oil, garlic juice, dish liquid soap, red pepper, and water. I'd throw it all in, about 1 tablespoon each. I'd also go out with bucket of soapy water and knock any I found into the water.
If you can have hens, I'd let them loose in the garden to pick off the bugs, and then remove from area. I hear guinea fowl are good too, but a bit noisy.
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