I've been fighting (and winning yay!) and aphid infestation on my peppers and broccoli but have been watching everything else closely. I haven't seen even one aphid on my melons so I didn't think that was the cause. Frustrating. No ants Robynanne. I don't even have aphids problems here usually but I brought a sprout back from a visit to my hot aphid ridden home state and didn't quarantine the plant. Who does that???