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Out and about? So are ticks.

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Ah summer… Gardening, hiking, swimming outdoors until dark and possibly an unwanted brush with a tick.

Getting bitten could bring just an innocuous red spot or Lyme disease — and there’s a lot of variation in between.

Risa Pesapane thrives on talking about, plucking out and poring over ticks. The researcher tweets: “Ohioans, send me your ticks,” a plea accompanied by a picture of eight-legged parasites floating on their backs in a plastic bag of water.

What’s to like about ticks? Not much unless you study wildlife and diseases pests pass on, as Pesapane does. With reports of tick bites and Lyme disease on the rise for people and pets in Ohio and across the country, it’s Pesapane’s mission to figure out ways to slow the uptick.

Ticks don’t jump. They don’t fall out of trees. They only crawl — and slowly. About 10 feet is the farthest most will go for a meal, Pesapane said.

And to get that meal, they can be devious. Their saliva helps them feed undetected — sometimes for days.

“That’s often why people say: ‘I had no idea the tick was there,’” Pesapane said.

Tick saliva contains substances that can numb and others that can stop blood from clotting, so they can suck blood out easily.

If you remove a tick within a day or two, even an infected tick may not have had the chance to pass on any pathogens. Still, the faster you pluck out the tick, the better. They can stay for as many as seven days furiously feeding on a person or animal. Every meal counts: They have only three in their entire two-year life.

“They go a very long time after each meal,” Pesapane said.

And ticks are most active during the warmest months like many of us. So, as you savor the outdoors, keep your eyes out for these four ticks, which are the most threatening to people and pets in Ohio: the blacklegged tick; the lone star tick; the American dog tick; and the state’s newest tick, the Gulf Coast tick.

Blacklegged tick
Blacklegged tick

Blacklegged tick

The blacklegged tick, also called a deer tick, poses the biggest threat among ticks in the United States because it can transmit the germs that cause several different diseases, with Lyme disease being the most common. The infection can cause flu-like symptoms, numb or weak limbs and inflamed membranes surrounding the brain, also known as meningitis.

Lone Star tick
Lone star tick

Lone star tick

The adult female lone star tick bears a signature white dot or “lone star” on her back, but males and young ticks do not. A bite from a lone star tick can cause someone to develop an allergy to red meat or pork, called ehrlichiosis, which causes fever, muscle aches and other symptoms.

American Dog tick
American dog tick

American dog tick

The American dog tick, also called the wood tick, can cause Rocky Mountain spotted fever, which, along with causing a fever, headache and rash, can be deadly if not treated early with the right antibiotic.

Gulf Coast tick
Gulf Coast tick

Gulf Coast tick

Bitten by the Gulf Coast tick, a person could get spotted fever, which typically causes a fever, rash and headache. Dogs bitten by this tick are unaffected. However, if they eat the tick, they can experience canine hepatozoonosis, which can trigger a fever, weakness, decreased appetite, muscle pain and other symptoms.

When you’re in and around ticks’ favorite hangouts — wooded areas, tall grass fields, under piles of wood or decomposing leaves — it pays to check yourself and your pets for the crawling creatures that might otherwise go unnoticed.