Stop Wasting Insect Repellent! The Right Way to Apply Bug Spray (DEET, Picaridin & More) (2026)

It's summer in Maine, and that means one thing: the return of the dreaded biting flies. Mosquitoes, black flies, and noseeums are a constant nuisance, but there's a right and wrong way to keep them at bay. According to Michael Bentley, staff entomologist for the National Pest Management Association (NPMA), many of us are making common mistakes when applying insect repellent. So, what's the secret to success?

First, read the label. It's not just a piece of paper - it's your guide to effective protection. Look for products approved by the Centers for Disease Control and Prevention (CDC). Next, give your repellent a good shake. It's not just about the initial application; mixing it ensures you're getting the full benefit.

Sunscreen comes first. Apply it before the repellent, as sunscreen can reduce the repellent's effectiveness. Then, focus on exposed skin, avoiding cuts and open wounds. For sprays, hold the bottle 6-8 inches away for even coverage. When applying to your face, use your hands to prevent irritation around your eyes and nostrils. Don't forget your clothing - insects can bite through fabric, so reapply as needed.

The NPMA recommends repellents with specific ingredients for maximum effectiveness. These include 20% DEET, 20% Picaridin, 30% lemon eucalyptus (para-menthane-diol), or 20% IR3535. These concentrations are key to keeping those pesky bugs at bay.

So, the next time you're heading outdoors, remember these tips. By following them, you'll be able to enjoy the great outdoors without the constant buzz of insects. And who knows, you might even appreciate the beauty of Maine's nature a little more without the constant irritation of biting flies.

Stop Wasting Insect Repellent! The Right Way to Apply Bug Spray (DEET, Picaridin & More) (2026)

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