In the early morning they will be congregated in any yellow flowers-you can knock them into soapy water.

You can also spray with neem oil or soapy water.

I went hunting squash bugs today with a knife and a watering can. 6 dead.

Just so you know....that's not the cucumber beetle, but the Three Lined Potato beetle, found on all kinds of Solanaceae crops. Control strategies don't change.