Nick Upton / Man releasing a Hedgehog (Erinaceus europaeus) after removing Hedgehog ticks (Ixodes hexagonus) from it, Chippenham, Wiltshire, UK, August 2017. Property and model released.

Nick Upton / Man inspecting a Hedgehog (Erinaceus europaeus) caught in his garden for Hedgehog ticks (Ixodes hexagonus) Chippenham, Wiltshire, UK, August 2017. Property and model released.

Nick Upton / Man inspecting a Hedgehog (Erinaceus europaeus) caught in his garden for Hedgehog ticks (Ixodes hexagonus) Chippenham, Wiltshire, UK, August 2017. Property and model released.

Nick Upton / Hedgehog tick (Ixodes hexagonus) removed from a Hedgehog (Erinaceus europaeus) with tweezers, Chippenham, Wiltshire, UK, August 2017. Model released.

Nick Upton / Hedgehog tick (Ixodes hexagonus) removal from a Hedgehog (Erinaceus europaeus) with tweezers, Chippenham, Wiltshire, UK, August 2017. Model released.

Nick Upton / Man releasing a Hedgehog (Erinaceus europaeus) after removing Hedgehog ticks (Ixodes hexagonus) from it, Chippenham, Wiltshire, UK, August 2017. Property and model released.

Phil Savoie / Bumblebee mite (Parasitus fucorum) in fur of Buff-tailed bumblebee (Bombus terrestris), Monmouthshire, Wales, UK, August.

Jen Guyton / Tick embedded in the wrinkled skin of an African elephant (Loxodonta africana). The elephant was sedated by veterinarians to put a GPS collar on him.

Nick Upton / Hedgehog tick (Ixodes hexagonus) just removed from a Hedgehog (Erinaceus europaeus) at a rescue centre, Cornwall, UK, October.

Albert Lleal / House Fly (Musca domestica) covered with Mites (Macrocheles muscaedomesticae) which use the fly for transportation, Spain

Nick Upton / Mating pair of Green mountain grasshoppers / Alpine grasshoppers (Miramella alpina) mating, in alpine meadow, with some parasitic mites (Eutrombidium sp.) on the female, Sutjeska Park, Bosnia and Herz...

Michael Durham / Carrion beetle (Nicrophorus carolinensis) in flight with parasitic mites living on exoskeleton, Texas, USA, September.