Sliced or crushed cucumbers to keep cockroaches away from food. Mix equal parts of boric acid powder, powdered sugar, and cornmeal as a poison bait for cockroaches. Mix equal parts of plaster of Paris and powdered sugar as a poison bait for cockroaches. A nail spike beside a tomato plant repels cutworms. Place a milk carton over young tomato plants to keep out cutworms.
Place cornmeal around tomato plants for cutworm control.
Walk through a room wearing white socks to detect fleas. Dark fleas jumping on the white background are easily seen. Use fleabane daisy to repel fleas. Use banana peels to repel fleas. Feed yeast to dogs to repel fleas.