Pic # 1of 2. Flea beetles on eggplant leaves. Treated without pesticides. I used a damped cloth with water and dove soap. I also planted mustard greens nearby, as companion plants. Flea beetles don't like mustard greens...*see next picture for results
Tumbling Nasturiums Nasturtiums keep bugs away from squash and broccoli. Nasturtium is an excellent companion for many plants. It is a companion to radishes, brassicas, deterring aphids, squash bugs, and striped pumpkin beetles, and improving growth and flavor. Plant as a barrier around tomatoes, cabbage, cucumbers, and under fruit trees. Deters wooly aphids, whiteflies, cucumber beetles see: ... http://seeds4all.blogspot.de/2014/04/garden-wonder-workers-nasturium-reasons.html
Plants help other plants grow | Marigolds help tomatoes and roses grow better. Nasturtiums keep bugs away from squash and broccoli. Petunias protect beans from beetles. oregano chases them away from cucumbers. Geraniums keep Japanese beetles away from roses and corn. Chives make carrots sweeter. basil makes tomatoes even tastier.
You just have to mix equal parts of borax with regular sugar. The sugar helps to draw the bugs in and the borax takes them away – permanently. Take care that you do not leave this out where pets or small children can reach it.