Insect repellent safety
The safest bug repellent is to wear proper clothing.
Even with proper clothing, when visiting an area with many insects, bug repellent, such as those containing DEET or picaridin should be used.
To avoid toxicity from insect repellents:
Fradin MS, Carroll SP. Protection from blood-feeding arthropods. In: Auerbach PS ed. . 6th ed. Philadelphia, Pa: Elsevier Mosby; 2012:chap 47.