NEEM oil or NEEM based products found in the organic section of your hardware store. Also Pyrethrum based products.
you could also use chili spray products, with less effects.
spiderrepel.com
Garlic
The pesticide resistance develops over time due to the natural selection.
The best natural pesticide is pyrethrin, which is derived from the leaves of chrysanthemum plants. It is sold by many organic or environmentally friendly gardening companies. I get mine from gardensalive.com.
pesticide
potatoes
POTATOES!
One ant pesticide that is safe for pets is diatomaceous earth. It is a natural substance that is non-toxic to pets but effective in killing ants.
I have heard this is a great natural pesticide, although it won't work to keep every insect out of your garden areas. It is an effective deterrent for many pests.
accelerated rates of natural selection due to human involvement.. natural selection caused by human intervention.
No, dish soap will not kill trees if used as a pesticide. It can be used as a natural insecticide to control pests on trees without harming the tree itself.
Try neem oil. It's a very natural and effective solution.