
I’ve spent years traveling the Midwest teaching preparedness, and every summer I make my way through Iowa during county fair season. The smell of funnel cakes, the sound of livestock auctions, and the crowds packed into fairgrounds are as Iowa as it gets. But when you spend enough time sleeping in rural campgrounds, walking fence lines, and standing in hot crowds, you learn quickly that Iowa’s greatest threats aren’t always storms or accidents. Sometimes, the smallest creatures carry the biggest risks.
Iowa doesn’t have tropical monsters or jungle predators, but it does have insects and insect-like pests that can seriously injure or even kill you under the wrong circumstances. As a survival prepper, I don’t believe in panic—I believe in awareness, preparation, and simple habits that keep you alive. Let’s talk about the deadliest insects you’ll realistically encounter in Iowa, why they’re dangerous, and how to protect yourself during fair season and beyond.
The Golden Mosquito: Iowa’s Most Dangerous Killer by Numbers
If I had to name the deadliest insect in Iowa, it wouldn’t be the scariest-looking one. It would be the mosquito.
Mosquitoes in Iowa are capable of transmitting serious diseases, including West Nile virus and other mosquito-borne illnesses. Most people brush off bites as itchy annoyances, but disease transmission is where the real danger lies. Every year, Iowans are hospitalized due to complications from mosquito-borne illnesses, especially older adults and those with weakened immune systems.
Why they’re deadly:
- Disease transmission rather than venom
- High population during warm, wet summers
- Active at dusk, dawn, and during humid evenings
Survival prepper tips:
- Wear long sleeves and pants during evening fair events
- Use insect repellent when outdoors for extended periods
- Avoid standing water near campsites or lodging
- Use light-colored clothing to reduce attraction
At county fairs, mosquitoes thrive near livestock barns, food waste areas, and temporary water sources. I always assume mosquitoes are present and plan accordingly.
Small Stings, Big Consequences

Stinging insects are a constant at Iowa fairs, picnics, and outdoor events. Yellowjackets, paper wasps, honeybees, and hornets are all common across the state.
For most people, a sting is painful but survivable. For others, especially those with allergies, a single sting can become life-threatening within minutes.
Why they’re deadly:
- Severe allergic reactions (anaphylaxis)
- Multiple stings from disturbed nests
- Aggressive behavior near food and sugary drinks
Survival prepper tips:
- Never swat at flying insects—it increases aggression
- Keep food covered when eating outdoors
- Check drink cans before sipping
- Identify nest locations and keep your distance
At county fairs, I see people accidentally step on yellowjackets near trash cans more than anywhere else. Trash areas are danger zones—move deliberately and stay alert.
The Silent Hitchhikers
While ticks aren’t technically insects, any prepper would be irresponsible not to include them. Iowa is prime tick territory, especially in grassy areas, wooded edges, and rural fairgrounds.
Ticks can transmit serious illnesses, including Lyme disease. The danger isn’t immediate pain—it’s delayed symptoms that many people ignore until it’s too late.
Why they’re deadly:
- Disease transmission
- Often unnoticed for hours or days
- High exposure risk in rural environments
Survival prepper tips:
- Wear long pants and tuck them into socks
- Perform full-body tick checks daily
- Shower after spending time outdoors
- Remove ticks promptly with proper technique
If you camp near fairgrounds or park in tall grass, assume ticks are present. I check myself every night, no exceptions.
Blister Beetles: The Hidden Hazard Most People Miss

Blister beetles don’t look dangerous, which is what makes them risky. These beetles produce a chemical called cantharidin, which can cause severe skin blistering if crushed against the skin.
While human fatalities are rare, severe exposure or ingestion can be dangerous. They’re more commonly known for harming livestock, but fairgoers who handle hay, straw, or agricultural displays should be aware.
Why they’re dangerous:
- Toxic chemical secretion
- Skin injury and possible systemic reactions
- Found near agricultural materials
Survival prepper tips:
- Avoid handling beetles or crushing insects on bare skin
- Wash hands after touching hay or straw displays
- Wear gloves when handling farm materials
At agricultural fairs, people forget that not every danger flies or stings.
Horseflies and Deer Flies: Painful and Persistent
Horseflies and deer flies are aggressive biters found in rural Iowa during summer. Their bites can break the skin and become infected if not treated.
Why they’re dangerous:
- Painful bites that can lead to infection
- Aggressive behavior
- Often found near livestock and water
Survival prepper tips:
- Wear long sleeves near livestock areas
- Clean bites immediately
- Avoid swatting—move away calmly
While rarely fatal, infections can become serious if ignored.
Final Prepper Rules for Staying Alive in Iowa

Survival isn’t about fear—it’s about habits. When I walk Iowa fairgrounds, I follow simple rules:
- Assume insects are present everywhere
- Cover skin during peak insect hours
- Carry basic first-aid supplies
- Stay calm and observant
- Teach kids awareness without panic
Iowa is a great state with great people, but nature doesn’t take the summer off. Whether you’re visiting a county fair, camping nearby, or working outdoors, respecting Iowa’s smallest threats can make the difference between a good memory and a medical emergency.
Stay alert, stay prepared, and enjoy the fair—you’ll live longer that way.




