31. Candles make for great ambience, and the citronella will keep the bugs at bay. 32. Citronella fuels should only be used outdoors.33. Citronella is usually planted in home gardens to ward off insects such as whitefly adults.34. Some residents are buying a potted plant called Citronella and placing it at their home. 35. Marketers say citrosa, which emits citronella oil, blocks the mosquito's radar device. 36. The other, citronella oil, can be used to fight mosquitoes but wears off quickly. 37. Citronella candles are a good idea.38. Active ingredients : citronella , cedarwood, witch hazel ( concentrations not available on product label) 39. A containment system sold by Radio Fence operates on the citronella spray principle rather than shock. 40. She also may develop goat milk soap for animals that will include citronella to repel fleas.