Guidance

Mosquito and tick incidents

UKHSA responds to incidents involving non-native or invasive vector species, as well as vector-borne diseases not usually found in the UK. Each incident presents novel vector-borne disease risks and requires entomological expertise to ensure a robust response.

Applies to England

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CCHS homepage
Topic: health impacts
Vector-borne disease: mosquitoes, ticks
Part of: monitoring and research

Key resources for mosquito and tick incidents:

More content:

Imported Hyalomma

Hyalomma ticks can vector pathogens of human and animal health importance. We monitor the importation of this species in the UK using our Tick Surveillance Scheme, along with research projects which look for ticks imported into the country on migratory birds. Our data show that Hyalomma marginatum ticks enter the country regularly on migratory birds. Another important species called Hyalomma lusitanicum also enters the country on imported animals, such as dogs.

You can report Hyalomma ticks to us using our Tick Surveillance Scheme.

Imported Rhipicephalus

Rhipicephalus ticks can vector pathogens of human and animal health importance. We monitor the importation of this species in the UK using our Tick Surveillance Scheme. Our data show that dogs, particularly those rescued from other countries, are a key source of imported Rhipicephalusticks coming into the UK.

You can report Rhipicephalus ticks to us using our Tick Surveillance Scheme.

Invasive mosquitoes

Aedes albopictus (Tiger mosquitoes) are established in many countries of Europe and are often moved into new regions via movement of adult mosquitoes in vehicles. The National Plan for Detection of Invasive Mosquitoes sets out roles and responsibilities around surveillance and control of these mosquitoes. In the event of detecting invasive mosquitoes UKHSA conducts enhanced mosquito surveillance, and works with local authorities to support mosquito control actions.

Find out more about the Invasive Mosquito Surveillance project

Invasive mosquitoes can be reported to the Mosquito Recording Scheme.

Updates to this page

Published 6 March 2025

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