Adrian Davies / Sheep tick (Ixodes ricinus), Surrey, England, April.

Adrian Davies / Sheep tick (Ixodes ricinus), Surrey, England, April.

Duncan Usher / Sheep Tick (Ixodes ricinus) female engorged with blood, Lower Saxony, Germany

Konrad Wothe / Sheep Tick (Ixodes ricinus) engorged with blood on skin, Bavaria, Germany

Daniel Heuclin / Sheep Tick (Ixodes ricinus) embedded in skin. Vector for Lyme disease and tick-borne meningoencephalitis. Poitou, France, October.

Adrian Davies / Lyme Disease rash on human skin, serious bacterial disease indicated by outwardly expanding rash (erythema migrans) on human leg caused by bacteria carried by Sheep Tick (Ixodes ricinus) UK

Solvin Zankl / Using pincers to remove European sheep tick (Ixodes ricinus) from human skin, Germany

Solvin Zankl / Using pincers to remove European sheep tick (Ixodes ricinus) from human skin, Germany

Solvin Zankl / Using pincers to remove European sheep tick (Ixodes ricinus) from human skin, Germany

Solvin Zankl / Using pincers to remove European sheep tick (Ixodes ricinus) from human skin, Germany

Solvin Zankl / European sheep tick (Ixodes ricinus) burrowing into human skin, Germany

Kerstin Hinze / Sheep tick (Ixodes ricinus) Grotta su Coloru, Sardinia, Italy