If you’ve ever spent summer evenings on the porch, worked in the garden, or gone camping with family, you know one small insect can ruin an otherwise perfect day. Mosquitoes may be tiny, but their itchy bites leave a lasting impression. For many of us, especially older adults who spend time outdoors, mosquito bites are more than a nuisance — they can lead to nights of tossing and turning, constant scratching, and even infections when the skin breaks.