Welcome to Bite Site

Your guide to ticks, mosquitoes and other biting pests.
Contributors
A grid of illustrated insects and arachnids, with some icons in teal and others in light gray. The highlighted pests include mosquitoes, ticks, bed bugs, fleas, and mites.

Bites happen. The Bite Site helps you understand what may have bitten you, how to lower your risk and when to take the next step.

Created with Ohio State and public health experts, this guide shares practical information about ticks, mosquitoes, bed bugs and other biting pests in Ohio. Use the Bite Site to learn how to identify common biting arthropods, prevent bites, protect people and animals, and find trusted resources when you have concerns.

The revised Bite Site was developed with experts from Ohio State Extension, the Department of Entomology, the School of Environment and Natural Resources, and the Ohio State Department of Preventive Veterinary Medicine as a guide to ticks, mosquitoes and other biting pests.

A close-up of a leaf tick with a reddish-orange body and dark legs sitting on a bright green leaf.

Ticks

What ticks live in Ohio, how to prevent bites, and other helpful information to keep you safe.
Learn more
An adult sprays insect repellent onto a child’s forearm outdoors, with mist from the spray visible in the sunlight and a blurred green background.

Mosquitoes

Buzzing, biting, and hibernating: beat mosquitoes with these helpful links.
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A hand holding a magnifying glass over a bed with white sheets, showing illustrated bed bugs enlarged inside the lens.

Bed Bugs

Learn the signs of a bed bug infestation, how to protect yourself, and treatment options.
Learn more

Fact sheets

News and videos

This work is supported by the Crop Protection and Pest Management Program grant 20247000643574, from the U.S. Department of Agriculture’s National Institute of Food and Agriculture.

Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and should not be construed to represent any official USDA or U.S. Government determination or policy.