Hard Ticks And Diseases Flashcards

ID ticks, names, number of hosts, associated diseases

1
Q

Rhipicephalus (Boophilus) decoloratus

A

African blue tick

1 Host tick

Cattle

  • Babesia bigemina: African Redwater
  • Anaplasma marginale: Tick borne gall sickness
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2
Q

Rhipicephalus (Boophilus) microplus

A

Pantropic / Asiatic Blue tick

1 Host tick

Cattle

  • Babesia bovis: Asiatic redwater
  • Babesia bigemina: African redwater
  • Anaplasma marginale: Tick-borne gall-sickness
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3
Q

Rhipicephalus (Boophilus) annulatus

A

North American cattle tick

1 Host tick

Cattle:

  • Babesia bovis: Asiatic redwater
  • Babesia bigemina: African redwater
  • Anaplasma marginale: Tick-borne gall-sickenss
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4
Q

Margaropus winthemi

A

Winter horse / SA beady-legged tick

1 Host tick

Not a known vector for any pathogen

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5
Q

Rhipicephalus evertsi evertsi /

Rhipicephalus evertsi mimeticus

A

Red legged tick / Namibian red legged tick

2 Host tick

Cattle:

  • Anaplasma marginale: Tick-borne gall-sickness

Horses: (equine piroplasmosis)

  • Babesia cabali
  • Theileria equi
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6
Q

Rhipicephalus bursa

A

2 Host tick

Cattle:

  • Babesia bigemina / bovis: African / Asiatic redwater
  • Anaplasma marginale: Tick-borne gall-sickness

Horses: (equine piroplasmosis)

  • Babesia cabali
  • Theileria equie

Sheep:

  • Babesia motasi / ovis
  • Anaplasma ovis
  • Theileria separata
  • Ehrlichia ovina
  • Paralysis

Humans:

  • Crimean-Congo Haemorrhagic Fever
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7
Q

Hyalomma marginatum rufipes /

Hyalomma truncatum

A

Coarse legged / hairy bont legged ticks /

Small shiny bont legged tick

2 Host tick

Cattle:

  • Anaplasma marginale: Tick-borne gall-sickness
  • Theileria annulata: Theileriosis / Mediterranean coast fever

Horses: (equine piroplasmosis)

  • Theileria equi
  • Babesia cabali

Humans:
- Virus: Crimean-Congo Haemorrhagic fever

*H. truncatum*
- Toxin = Sweating sickness in calves

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8
Q

Rhipicephalus glabroscutatum

A

Smooth Brown tick

2 Host tick

Adults are often found with A. hebraum

Associated with foot abscesses and lameness in goats

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9
Q

Rhipicephalus appendiculatus / Rhipicephalus zambeziensis

A

Brown ear tick

3 Host tick

Cattle:

  • Theilerai parva: East Coast Fever (fatal)
  • Zimbabwe Theileriosis
  • Corridor Disease
  • Theileria taurotragi: Benign Theileriosis
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10
Q

Rhipicephalus simus

A

Glossy brown tick

3 Host tick

Cattle:
- Anaplasma marginale: Tick-borne gall-sickness

*Toxin*
- Paralysis in calves & lambs

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11
Q

Rhipicephalus warburtoni

A

Brown paralysis tick

3 Host tick

*Toxin*
Tick prefers hilly areas thus goat kids are most affected (adult sheep may also be affected)

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12
Q

Rhipicephalus sanguineus

A

Kennel tick / Brown dog tick

3 Host tick

Dogs:

  • Babesia canis: Canine babesiosis
  • Babesia gibsoni: Canine babesiosis
  • Ehrlichia canis: Ehrlichiosis / Tick-bite fever

*When infected tick is ingested*
- Hepatozoon canis: Hepatozoonosis

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13
Q

Ixodes rubicundus

A

Karoo paralysis tick

3 Host tick

Life cycle takes 2 years

* Female toxin *
- Paralysis: Sheep & goats

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14
Q

Ixodes pilosus

A

Sourveld tick

3 Host tick

Not known to transmit any disease

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15
Q

Ixodes ricinus

A

Castor bean tick / Sheep tick

3 Host tick

Cattle:

  • Babesia bovis: Asiatic redwater
  • Babesia divergens
  • Anaplasma marginale: Tick-borne gall-sickness

Sheep:
- Virus: Louping illness: Ovine Encephalomyelitis

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16
Q

Ixodes holocyclus

A

Paralysis tick

3 Host tick

* Toxin *

  • Only need 2 engorging females = ascending paralysis in calves; fatal if untreated
  • Dogs that recover have cardiac lesions: diagnosable with ECG
  • Holocyclotoxin antivenene = commercially available
17
Q

Amblyomma hebraum

A

South African bont tick

3 Host tick

Cattle / sheep/ goats:
- Ehrlichia ruminantium: Heart water

Cattle:

  • Theileria mutans
  • Theileria vilifera

*Bite wounds*
- Long mouth parts = Abscesses attracting blow flies (Chrysomya bezziana) = maggots causing major damagee

18
Q

Amblyomma variegatum

A

Tropical bont tick

3 Host tick

Not in SA

Cattle:
- Ehrlichia ruminantium: Heartwater

Transmission & Exacerbation of Dermatophilosis

19
Q

Haemophysalis elliptica

A

Yellow dog tick

3 Host tick

Dogs:
- Babesia canis rossi: canine Babesiosis

Humans:
- Rickettsia conori: Tick bite fever in humans

20
Q

Common hard ticks found on cattle

A

  • R. decoloratus
  • R. microplus
  • R. evertsi evertsi
  • R. simus
  • Hyalomma spp.
  • Amblyomma spp.
21
Q

Common hard ticks found on sheep and goats

A
  • R. evertsi evertsi
  • I. rubicundus
  • Hyalomma spp.
  • Amblyomma spp.
22
Q

Common hard ticks found on horses

A
  • M. winthemi
  • R. evertsi evertsi
  • R. decoloratus (and others mainly found on cattle)
23
Q

Hard ticks found on dogs

A
  • R. sanguineus
  • H. elliptica
  • R. simus
24
Q

Toxin producing ticks

A
  • R. evertsi evertsi (Spring lamb paralysis)
  • R. bursa (Paralysis in sheep)
  • H. truncatum (Sweating sickness in calves)
  • R. simus (Paralysis in calves & lambs)
  • R. warburtoni (Paralysis in kids & adult sheep)
  • I. rubicundus (Paralysis in sheep & goats)
  • I. holocyclus (Ascending paralysis in calves)
25
Q

ID

A

Rhipicephalus (Boophilus) microplus
Pantropic / Asiatic blue tick

26
Q

ID

A

Rhipicephalus (Boophilus) decoloratus (male)

African blue tick

27
Q

ID

A

Rhipicephalus annulatus

North American cattle tick

28
Q

ID

A

Margaropus winthemi

Winter horse tick / South African beady-legged tick

29
Q

ID

A

Rhipicephalus evertsi evertsi

Red legged tick

30
Q

ID

A

Rhipicephalus bursa

31
Q

ID

A

Hyalomma marginatum rufipes

Coarse legged / Hairy bont-legged tick

32
Q

ID

A

Hyalomma truncatum

Small shiny bont-legged tick

33
Q

ID

A

Rhipicephalus appendiculatus

Brown ear tick

34
Q

ID

A

Rhipicephalus sanguineus

Kennel tick / Brown dog tick

35
Q

ID

A

Amblyomma hebraum

South African bont tick / heartwater tick

36
Q

ID

A

Haemaphysalis elliptica

Yellow dig tick