Ticks Flashcards

1
Q

Name the Types of Ticks

A

Argasidae: Soft Ticks

Ixodidae: Hard Ticks

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2
Q

True or False: Soft Ticks have a Scutum

A

False: Hard Ticks have a scutum while soft ticks do not

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3
Q

True or False: Male ticks suck blood

A

False: only the females are blood suckers

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4
Q

What is the difference between hard and soft ticks regarding their life stages?

A

Hard ticks larva, nymph and adults feed only once and the female will lay a huge batch of eggs once and then die.

Soft ticks have a larva and a 2-8 stage nymphal stage. Adult female feeds many times and lays small batches of eggs repeatedly

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5
Q

Is this a hard or soft tick?

A

Hard Tick

Notice the scutum and the anteriorly placed gnathosoma

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6
Q

List several ways that ticks can cause or contribute to disease

A
  1. Exanguination: Anemia (argas, boophilus, dermacentor)
  2. Bite wounds provide entry for secondary invaders
  3. Dermatoses (itch, scratch, weight loss)
  4. Paralysis via a neurotoxin (argas, dermacentor, amblomma, rhipicephalus, ixodes)
  5. Toxicosis: tissue/humoral toxin (hyalomma, rhipicephalus)
  6. Diease Transmission:
    a. protozoa: babesia, theileria
    b. Rickettsia: Q fever, RMSF, anaplasma, ehrlichia, heartwater
    c. Bacteria: Tularemia, Borrelia

Virus: Colorado Tick Fever

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7
Q

Name the 4 most important Genera of ixodidae ticks

A
  1. Dermacentor
  2. Rhipicephalus
  3. Ixodes
  4. Amblyomma
    (5. Boophilus 6. Haemaphysalis)
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8
Q

What is the definition of a one host tick?

A

It means that all the life stages of a tick occur on a single host.

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9
Q

Label the parts of a tick

A
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10
Q

Name two Genera that are missing festoons?

A

Boophilus

Ixodes

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11
Q

What is one way to tell the difference between male and female ticks?

A

Males are usually more ornate looking than females

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12
Q

How many legs does an adult tick have?

A

8 legs

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13
Q

Are ticks an insect or an arachnid?

A

Arachnid, they have 8 legs as an adult

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14
Q

What disease was Boophilus known to transmit?

A

Babesiosis

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15
Q

How was babesiosis eradicated from the US?

A

Because babesiosis was transmitted by the boophilus tick which is a 1 host tick we were able to treat the hosts of the tick in order to eliminate the tick and therefore eliminate the disease

(tick riders would look for the ticks on cattle and if found the cows were dipped in a bath)

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16
Q

What tick is this?

A

Boophilus

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17
Q

What is the common name for Dermacentor andersoni tick?

A

Rocky Mountain Wood Tick

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18
Q

What is the common name for Dermacentor Variabilis?

A

The American Dog Tick

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19
Q

What is the common name for dermacentor occidentalis tick?

A

Pacific coast tick

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20
Q

What is the common name for Dermacentor nitens?

A

The tropical horse tick (excellent vector for equine babesiosis)

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21
Q

What is the common name for Dermacentor Albipictus?

A

the Winter tick or moose tick

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22
Q

Name two 1 host ticks discussed in lab or class

A

Boophilus ticks

Dermacentor Ticks

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23
Q

Identify the genera of these ticks?

A

Tick on the Left: Rhipicephalus

(2 Ps=2 points)

Tick on the Right: Dermacentor

(Rectangular basis capitulum)

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24
Q

List 4 Three host tick genera

A

Ixodes

Haemaphysalis

Amblyomma

Rhipicephalus Sanguineus

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25
List 4 genera where the anal grove is posterior to the anus
Dermacentor Haemphysalis Rhipicephalus Ancentor
26
Which genera of ticks lacks an anal grove?
Amblyomma and Boophilus
27
Which genera's anal grove is located anterior to the anus?
Ixodes
28
What is an important treatment step of Ticks?
MANUAL REMOVAL!!
29
True or False: Boophilus ticks are not reportable
FALSE: all boophilus ticks are reportable because they are important in the transmission of Babesia in Cattle
30
What cells does Babesia Bigemina and Babesia Bovis infect in cattle?
erythrocytes
31
What are symptoms of Babesia?
Anemia, hemogloinuria, high fever and death can occur
32
What is in place to control the Boophilus ticks?
Tick Riders that survey imported cattle and there is a live vaccine based on avirulent strains
33
True or False: Boophilus has festoons as an identifying marker
False: Boophilus does not have festoons. (As well as Ixodes)
34
What is the common name of Amblyomma americanum?
Lone Star Tick
35
Please give the common name and the scientific name for this tick
Amblyomma americanum AKA the Lone Star Tick
36
Identify this tick with the common and scientific name
Boophilus annulatus AKA the N. American Cattle Tick
37
Identify this tick by both the Scientific and common name
Dermacentor Variabilis AKA American Dog Tick (3 hosts tick)
38
Identify this tick by both the common and scientific name
Dermacentor andersoni AKA Rocky mountain Wood Tick (3 host tick)
39
Identify this tick by its scientific and common name
dermecentor occidentalis AKA Pacific Coast Tick (3 host tick)
40
What is the common name for D. albipictus?
Winter, Ghost, or Moose tick (1 host tick)
41
What is the common name for D. nitens?
Tropical HOrse Tick (1 host tick)
42
Identify this tick by both its scientific and common name
Rhipicephalus sanguineus AKA Brown Dog Tick (3 host tick) These are big ticks!
43
Name the three soft ticks (give both scientific and common name)
1. Argas persicus: Chicken Tick 2. Otobius megnini: Spinous Ear Tick 3. Ornithodorous coriaceus: Pajahuello Tick
44
Identify this tick by both its scientific and common name and describe how many hosts these ticks have?
Ixodes pacificus AKA western blacklegged tick 3 host tick (likes many species Rodents, lizards, rabbits, birds, pets, etc) Transmits Lyme disease, tularemia, rickettsia (rocky mountain spotted fever)
45
Ixodes species of ticks have a defining characteristic, what is that?
They have very large palps and hypostome in comparison to their basis capitulum No festoons, anal groove anterior to anus Not ornate usually
46
Identify this tick by its common and scientific name
Ixodes scapularis AKA Blacklegged tick Vector for babesia mircroti and Borrelia burgdorferi (causative agent of lyme disease)
47
Identify both of these ticks
ON the left: Ixodes scapularis (blacklegged tick) On the right: Ixodes affinis
48
Identify this tick by both its scientific and common name?
Amblyomma maculatum: Gulf Coast Tick | (in the gulf coast)
49
Where is Rhipicephalus sanguineus found?
Everywhere in the USA. Its common name isthe brown dog tick
50
Identify this tick by both its scientific name and common name
Dermacentor andersoni AKA Rocky Mountain Wood Tick (very ornate looking tick with festoons)
51
Identify this tick by both its common and scientific name
Dermacentor Variabilis AKA American dog Tick (ornate with festoons) midwest--\>east coast--\>south (CA)
52
What is the common name for Haemaphysalis leporispalustris? What disease does this tick act as a vector for?
Rabbit Tick and is a important vector for Rocky spotted fever and tularemia among wild animals.
53
What type of tick is Argas persicus? How do you manage it?
Soft tick that feeds on Chickens. Manage by pesticide fumigation
54
Identify this tick: What regarding its life stages are important?
This is a spinose Ear Tick AKA Otobius megnini Adults are not parasitic
55
Identify this tick by both its scientific and common name
Ornithodorus coriaceus AKA Pajhuello tick Causes foothill abortion (epizootic bovine abortion) BIG ticks!!
56
How long can a larval soft tick live unfed?
~ 8 Months
57
How long can a nymphal staged soft tick live when unfed?
~6 Months
58
How long can an adult unfed soft tick live?
~2 years
59
What drug used in the killing of ticks is also detrimental to cats?
Pyrethroids
60