Explore evidence-led tick species profiles, geographic records and identification guidance. A photograph alone may not confirm a species.
Explore by location
Ticks commonly found in your region
Browse all countries and regions
Commonness and establishment vary within every country. Results use reviewed location records and should not be interpreted as a personal disease-risk forecast.
0 species shown — commonly encountered species first— loading the complete species index…
Lone star tick
Amblyomma americanum
Amblyommahard_tickUnited StatesColorado
Quick view
An aggressive human-biting hard tick widely distributed in the eastern United States and especially common in the South. Larvae, nymphs and adults bite people.
Identification:
The adult female has a single pale or white spot near the centre of the scutum. Adult males have pale markings around the posterior margin rather than one central spot. Mouthparts are relatively long.
Hosts: Humans, White-tailed deer, Small mammals, Birds, Dogs
Habitats: Woodland, Woodland edges and trails, Grassland and shrubland
Photographs and visible features may be insufficient for definitive identification.
An extinct hard tick known from Miocene Dominican amber, described from an almost fully engorged female and a partly engorged larva.
Identification:
Identification is based on fossil morphology documented through microscopy, micro-CT scanning and three-dimensional models. It is not identifiable using ordinary visitor photographs and has no living population.
Photographs and visible features may be insufficient for definitive identification.
A recognised Amblyomma species of South America. Species-level distribution, host and health claims remain withheld pending accepted regional sources.
Identification:
A hard tick in the genus Amblyomma. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
A hard tick associated primarily with turtles in subtropical East Asia. Amblyomma kappa was placed in synonymy with Amblyomma formosanum in a modern taxonomic revision.
Also known as: Amblyomma kappa
Identification:
A medium-sized ornate Amblyomma turtle tick. Reliable separation from the closely related Oriental turtle tick, Amblyomma geoemydae, requires examination of multiple morphological characters and may require expert confirmation.
Photographs and visible features may be insufficient for definitive identification.
Adult male and female were redescribed against type and Brazilian collection material using light and scanning electron microscopy, confirming taxonomic validity.
Photographs and visible features may be insufficient for definitive identification.
Adults are ornamented; the cited morphological work details eye position, punctation, enamel colour, leg rings and sex-specific scutal ornamentation. Expert confirmation remains appropriate.
Photographs and visible features may be insufficient for definitive identification.
An ornate African hard tick of medical and veterinary importance. Authoritative regional guidance associates it with African tick-bite fever.
Identification:
A hard tick in the genus Amblyomma. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Hosts: Humans, Cattle
Habitats: Grassland and shrubland
Photographs and visible features may be insufficient for definitive identification.
An ornate, aggressive human-biting hard tick found primarily in the southeastern United States, with focal populations reported in other regions.
Identification:
Adults are ornate and have long mouthparts, eyes and festoons. Females have a patterned anterior scutum; males have pale ornamentation across most of the dorsum.
Hosts: Humans, Cattle, Deer, Birds, Small mammals
Habitats: Grassland and shrubland, Woodland edges and trails
Photographs and visible features may be insufficient for definitive identification.
A member of the Amblyomma cajennense species complex occurring from southern North America through Central America into northern South America.
Identification:
Species-level confirmation should use authoritative morphological keys and, where necessary, expert or molecular examination. Photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
Nymphal diagnosis includes a multiply punctate scutum, separate coxa-I spurs, triangular spiracular plate and palp character; specialist confirmation remains necessary.
Photographs and visible features may be insufficient for definitive identification.
Central-American specimens have shown morphological and molecular differences from South-American type-locality material; preserve as taxonomic review required.
Photographs and visible features may be insufficient for definitive identification.
A recognised Neotropical Amblyomma species. Public-facing claims are limited until species-specific authoritative evidence is accepted.
Identification:
A hard tick in the genus Amblyomma. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
Compared with A. longirostre female, A. parkeri was described as smaller, with a rounded/spatulate hypostome and a scutum approximately as long as wide; expert examination remains required.
Photographs and visible features may be insufficient for definitive identification.
Modern molecular evidence reported insufficient differentiation between A. pomposum and A. variegatum; historical records and photographs require taxonomic review.
Photographs and visible features may be insufficient for definitive identification.
A South American member of the Amblyomma cajennense species complex. Historical records under the broad A. cajennense name require taxonomic review.
Identification:
A hard tick in the genus Amblyomma. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
The regional review identifies limited ecological, seasonal and distributional evidence as a continuing research gap; photographs alone should not be used for confirmation.
Photographs and visible features may be insufficient for definitive identification.
Subspecies-level taxonomy must be retained where sources specify A. triguttatum triguttatum; records should not be generalized automatically across all subspecies.
Photographs and visible features may be insufficient for definitive identification.
A. triste belongs to the A. maculatum group; morphology and molecular confirmation are important because group identification and distribution have been controversial.
Photographs and visible features may be insufficient for definitive identification.
An ornate tropical Amblyomma species. Detailed distribution and veterinary associations remain review-gated in this batch.
Identification:
A hard tick in the genus Amblyomma. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
A soft tick associated principally with poultry housing, bird nests and structures used by domestic fowl.
Identification:
Species-level confirmation should use authoritative morphological keys and, where necessary, expert or molecular examination. Photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
A one-host Dermacentor species widely known as the winter tick. Human encounters are reported, while health claims require association-specific evidence.
Identification:
A hard tick in the genus Dermacentor. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Hosts: Humans, Horses
Photographs and visible features may be insufficient for definitive identification.
A hard tick of the Rocky Mountain states and southwestern Canada. Adults are the principal stage associated with pathogen transmission to humans.
Also known as: Rocky Mountain tick
Identification:
Adults are ornate Dermacentor ticks with short mouthparts, eyes and festoons. Females have a cream-patterned anterior scutum; males show pale mottling across most of the dorsum.
Hosts: Humans, Small mammals, Large mammals, Livestock, Dogs
Habitats: Rocky Mountain rangeland, Grassland and shrubland
Photographs and visible features may be insufficient for definitive identification.
An ornate Palearctic Dermacentor species. European occurrence must be interpreted at country and establishment-status level.
Identification:
A hard tick in the genus Dermacentor. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Hosts: Sheep
Photographs and visible features may be insufficient for definitive identification.
A one-host hard tick strongly associated with equids. USDA lists it among ticks relevant to equine piroplasmosis.
Identification:
A hard tick in the genus Dermacentor. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Hosts: Horses
Photographs and visible features may be insufficient for definitive identification.
An ornate hard tick established in restricted parts of the UK and widely distributed in western Europe. It has major veterinary relevance because it can transmit Babesia canis to dogs.
Identification:
Ornamented scutum or conscutum.
Eyes and festoons present.
Coxa I has large paired spurs.
Adult males have enlarged coxa IV.
The ornate pattern is helpful but does not replace examination of diagnostic characters.
Photographs and visible features may be insufficient for definitive identification.
A recognised Dermacentor species. No common name or detailed public claims are supplied without accepted sources.
Identification:
A hard tick in the genus Dermacentor. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
A widespread North American hard tick. Adults commonly bite dogs and humans, while larvae and nymphs feed mainly on small mammals.
Also known as: Wood tick
Identification:
Adults have short mouthparts, eyes and festoons, with pale ornamentation on the dorsal shield. Females have a pale patterned scutum at the front; males have ornamentation across most of the dorsum.
Hosts: Humans, Dogs, Small mammals, Large mammals
Habitats: Woodland edges and trails, Grassland and shrubland
Photographs and visible features may be insufficient for definitive identification.
An Australian hard tick associated especially with wallabies and other marsupials, with veterinary relevance where it infests cattle.
Identification:
Species-level confirmation should use appropriate morphological keys and, where necessary, expert examination. Photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
A recognised Haemaphysalis species. Occurrence and pathogen statements remain withheld pending species-specific evidence.
Identification:
A hard tick in the genus Haemaphysalis. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
A member of a taxonomically difficult African Haemaphysalis group. Identification and older literature records require expert review.
Identification:
A hard tick in the genus Haemaphysalis. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Hosts: Dogs
Photographs and visible features may be insufficient for definitive identification.
A hard tick of rabbits and hares with a broad distribution in the Americas; immature and adult stages are strongly associated with lagomorph hosts.
Identification:
Species-level confirmation should use appropriate morphological keys and, where necessary, expert examination. Photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
An invasive hard tick established in parts of the eastern United States and a major livestock concern. U.S. populations reproduce parthenogenetically.
Also known as: Bush tick, Cattle tick, Scrub tick
Identification:
Unfed stages are small and reddish-tan to dark reddish-brown. Adult females can become grey-green after feeding. Definitive identification requires expert examination.
Hosts: Humans, Cattle, Sheep, Goats, Horses
Habitats: Pasture, Grassland and shrubland, Woodland edges and trails
Photographs and visible features may be insufficient for definitive identification.
A comparatively rare UK hard tick associated with grazing habitats. Adults feed mainly on livestock, while immature stages frequently use birds and small mammals; humans can also be bitten.
Identification:
Identification should use an authoritative key and microscopic characters; colour and photographs alone are insufficient.
Photographs and visible features may be insufficient for definitive identification.
A hard tick in the genus Haemaphysalis. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
A Hyalomma species recognised in authoritative CCHFV vector assessments. Field, laboratory and potential-vector evidence are kept distinct.
Identification:
A hard tick in the genus Hyalomma. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
A Hyalomma species closely associated with camels. Pathogen detection is not presented as proof of transmission.
Identification:
A hard tick in the genus Hyalomma. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Hosts: Camels
Photographs and visible features may be insufficient for definitive identification.
A large, active host-seeking hard tick established in warmer parts of southern Europe, northern Africa and parts of Asia. It is regularly introduced into the UK on migratory birds, but UKHSA reports no evidence of an established UK population.
Identification:
Adults have conspicuously banded legs and long legs adapted for active host seeking.
Hyalomma marginatum belongs to a difficult species complex. Immature Hyalomma should not be assigned to species from photographs alone.
Photographs and visible features may be insufficient for definitive identification.
A widely dispersed Hyalomma species recognised in CCHFV vector assessments. Imported occurrence is not equivalent to an established population.
Identification:
A hard tick in the genus Hyalomma. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
A nest- and den-associated hard tick widely distributed in the UK and commonly reported from badgers, foxes and domestic dogs.
Identification:
Reliable separation from related Pholeoixodes ticks may require adult female morphology or molecular confirmation; photographs alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
A North American Ixodes species reported biting humans. Published pathogen detection is not represented as confirmed transmission.
Identification:
A hard tick in the genus Ixodes. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Hosts: Humans, Small mammals
Photographs and visible features may be insufficient for definitive identification.
An Australian paralysis tick occurring particularly in Tasmania and Victoria, where it can infest people and companion animals.
Identification:
Species-level confirmation should use authoritative morphological keys and, where necessary, expert or molecular examination. Photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
A bird-specialist hard tick, particularly associated with passerines feeding on the ground beneath roosts. UKHSA reports records in England and Wales and occasional attachment to humans.
Identification:
The species has historically been difficult to identify and should be confirmed with an authoritative key; photographs alone may not be diagnostic.
Photographs and visible features may be insufficient for definitive identification.
A nest-associated European hard tick primarily linked with hedgehogs and other den-dwelling mammals. It commonly infests cats and dogs in the UK and can bite humans.
Identification:
Ixodes genus: eyes and festoons absent; anal groove anterior to the anus.
Adult female palps slope inward and tarsus I is stepped.
Adult male has a broad oval body and a median ventral plate almost as wide as long.
Microscopic characters may be required; photographs alone cannot always confirm the species.
Photographs and visible features may be insufficient for definitive identification.
An eastern Australian tick capable of causing paralysis. Current Australian clinical guidance should be followed after suspected exposure.
Identification:
A hard tick in the genus Ixodes. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Hosts: Humans, Dogs
Habitats: Woodland edges and trails
Photographs and visible features may be insufficient for definitive identification.
A recognised Asian Ixodes species. Detailed public claims remain withheld pending accepted species-specific evidence.
Identification:
A hard tick in the genus Ixodes. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
A Pacific coast hard tick, particularly important in northern California. Nymphs and adult females are more often reported on people, although larvae also bite humans.
Also known as: Western black-legged tick
Identification:
Adult females have a dark anterior scutum and reddish-orange posterior body when unfed. Ixodes ticks lack eyes and festoons and have an anal groove anterior to the anus. Expert examination may be needed to separate related Ixodes.
Hosts: Humans, White-tailed deer, Small mammals, Birds, Lizards
Habitats: Pacific coastal woodland, Woodland edges and trails
Photographs and visible features may be insufficient for definitive identification.
A Palearctic Ixodes species commonly called the taiga tick. Country-level occurrence must distinguish established presence from isolated reports.
Identification:
A hard tick in the genus Ixodes. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Hosts: Humans
Habitats: Woodland edges and trails
Photographs and visible features may be insufficient for definitive identification.
Ixodes ricinus is a widespread European hard tick that feeds on many mammals, birds and reptiles, including humans. It is the tick species of greatest concern for human health in the United Kingdom and the principal UK vector of Lyme borreliosis.
Also known as: Sheep tick, Deer tick
Identification:
Larvae have six legs; nymphs and adults have eight. Adult females have a dorsal scutum covering only the anterior body, while the adult male scutum covers almost the entire dorsal surface. Microscopic characters may be required.
Hosts: Humans, Deer, Cattle, Small mammals, Birds
Habitats: Woodland, Grassland and rough pasture, Parks and wildlife-accessible gardens
Photographs and visible features may be insufficient for definitive identification.
A widespread eastern United States hard tick and major human-biting vector. Nymphs and adult females are most often reported on people, although larvae also bite humans.
Also known as: Deer tick, Bear tick
Identification:
Adult females typically have a dark scutum and legs contrasting with an orange-red posterior body when unfed. Adult males appear more uniformly dark because the scutum covers most of the dorsum. Ixodes ticks lack eyes and festoons and have the anal groove anterior to the anus.
Hosts: Humans, White-tailed deer, Small mammals, Birds, Lizards
Habitats: Woodland, Woodland edges and trails
Photographs and visible features may be insufficient for definitive identification.
A nest-dwelling hard tick principally associated with voles, shrews and other small mammals across much of Europe and western Asia.
Identification:
Species-level confirmation should use authoritative morphological keys and, where necessary, expert or molecular examination. Photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
A seabird-associated hard tick reported by UKHSA from colonies between Shetland and Cornwall. It principally parasitises seabirds and can also bite humans.
Identification:
Host and colony context are useful but are not sufficient for species confirmation; use an authoritative morphological key.
Photographs and visible features may be insufficient for definitive identification.
A rare UK hard tick principally associated with rabbits and some of their predators. UKHSA reports records from offshore islands and attachment to humans.
Identification:
Published work documents historical misidentification and phenotypic variation. Morphological and, where necessary, molecular confirmation should be used.
Photographs and visible features may be insufficient for definitive identification.
The sole living species of Nuttalliellidae, an uncommon African tick lineage with a distinctive mixture of hard-tick, soft-tick and unique anatomical features.
Identification:
A specialist-confirmation species with a partly sclerotised pseudoscutum, apically positioned mouthparts and distinctive ball-and-socket leg joints in adults and nymphs. Its anatomy combines traits associated with hard and soft ticks while also containing features unique to Nuttalliellidae.
Photographs and visible features may be insufficient for definitive identification.
A rapidly feeding soft tick of arid and semi-arid regions of Africa, the Middle East and parts of Asia, commonly associated with livestock resting places.
Identification:
Species-level confirmation should use appropriate morphological keys and, where necessary, expert examination. Photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
A one-host cattle tick of tropical and subtropical regions, historically important in bovine babesiosis control and eradication programmes.
Identification:
Species-level confirmation should use appropriate morphological keys and, where necessary, expert examination. Photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
An African Rhipicephalus species of major veterinary interest. Disease associations remain withheld until linked to accepted authoritative evidence.
Identification:
A hard tick in the genus Rhipicephalus. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Hosts: Cattle
Photographs and visible features may be insufficient for definitive identification.
A one-host cattle tick established in tropical and subtropical parts of Australia and an important livestock parasite.
Identification:
Species-level confirmation should use authoritative morphological keys and, where necessary, expert or molecular examination. Photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
A two-host hard tick of livestock and wildlife in Mediterranean and adjoining regions, particularly associated with sheep and goats.
Identification:
Species-level confirmation should use appropriate morphological keys and, where necessary, expert examination. Photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
A one-host African cattle tick associated mainly with cattle and other large herbivores in suitable regions of sub-Saharan Africa.
Identification:
Species-level confirmation should use authoritative morphological keys and, where necessary, expert or molecular examination. Photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
An African Rhipicephalus species recognised by its red-brown legs. Veterinary claims remain review-gated in this batch.
Identification:
A hard tick in the genus Rhipicephalus. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Hosts: Horses, Cattle
Photographs and visible features may be insufficient for definitive identification.
A one-host cattle fever tick and principal vector of bovine babesiosis agents. Historical Boophilus microplus is retained as a search synonym.
Identification:
A hard tick in the genus Rhipicephalus. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Hosts: Cattle
Habitats: Pasture
Photographs and visible features may be insufficient for definitive identification.
An ornate African Rhipicephalus species commonly called the zebra tick. Detailed claims remain review-gated pending authoritative sources.
Identification:
A hard tick in the genus Rhipicephalus. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.
Photographs and visible features may be insufficient for definitive identification.
A globally distributed, dog-associated hard tick able to complete its life cycle in buildings and kennels. UK records are linked to importation; UKHSA reports no current evidence of establishment outdoors or as a resident UK population.
Identification:
Laterally produced angular basis capituli.
Eyes and festoons present.
Scutum lacks ornamentation.
Mouthparts relatively short compared with the basis capituli.
Coxa I has large paired internal and external spurs.
Rhipicephalus sanguineus is a species complex in some literature; expert morphological and sometimes molecular review may be necessary.
Photographs and visible features may be insufficient for definitive identification.