Ticks belong to four different families. The majority of tick species belong to the two families: Ixodidae (hard ticks) and Argasidae (soft ticks). The third living family is Nuttalliellidae, named …

Jul 24, 2025 · Ticks can transmit diseases like Lyme disease, Rocky Mountain spotted fever, and Colorado tick fever, so prompt removal and medical attention are crucial. To remove a tick, …

Nov 14, 2023 · As of 2019, Lyme disease is the most often diagnosed tick-borne illness. Here are images of unfed, human-biting ticks. The images also show where the ticks might be found in …

Learn where ticks live, how to prevent tick bites, and what to do after a tick bite. Homepage for CDC's website about ticks and tickborne diseases.

There are over 800 species of ticks throughout the world, but only two families of ticks, Ixodidae (hard ticks) and Argasidae (soft ticks), are known to transmit diseases or illness to humans.

A list of types of ticks found in the United States that are known to bite and transmit disease to humans.

Oct 13, 2024 · Ticks are parasites that feed on blood and can transmit serious diseases like Lyme disease and Rocky Mountain spotted fever, causing symptoms ranging from fever to severe …

Jul 18, 2025 · What Are Ticks? Ticks are small bloodsucking parasites. Although people assume ticks are insects, they are actually arachnids (like spiders) with three pairs of legs and one pair …

Nov 24, 2025 · A tick is any of about 970 species of parasitic invertebrates in the order Ixodida. Ticks are important parasites of large wild and domestic animals and are also significant …

Ticks can be hard to spot but spread serious diseases. See pictures of what tick bites and rashes look like and get tips from experts on how to identify them.