mfitz24401 - first of all, aphids do not cause holes in leaves. They have sucking mouthparts, and are not able to chew anything. Regarding the pest problem itself, are you sure you need to deal with the aphids? If you are this close to harvest, likely the aphids will not damage the yield in any noticeable way. If you feel that you need to treat the problem, then a hard blast with a hose on high pressure will likely knock down the numbers enough to get you through till harvest.