Safe Pest Control - Step 3 and 4

Best-practice pest-control for food-gardeners involves six steps (in this order):

1. Make your food garden as healthy as possible 
2. Don’t please your pests 
3. Keep them out 
4. Catch and remove 
5. Is further action needed? 
6. Use a low-impact pesticide 

Step 3 and 4 are discussed below.