Garlic pesticide spray
Soak 3 to 4 ounces of chopped garlic bulbs in 2 tablespoons of mineral oil for one day. Dissolve 1 tsp of fish emulsion in a pint of water and add it to your solution. Stir. Strain liquid and store in a glass container - not metal! Dilute 1 part solution to every 20 parts of water. Kills aphids, mosquitoes, and onion flies.
...and more uses with garlic
1. If you plant garlic with tomatoes, it will keep away red spider mites.
2. If you plant garlic around fruit trees, it will repel borers.
3. Spray garlic pesticide on sweet potatoes to repel rabbits.
4. Spray ponds with garlic-based oil to kill mosquitoes.