Ticks Flashcards Preview

Parasitology > Ticks > Flashcards

Flashcards in Ticks Deck (19):
0

How many legs do ticks have at the different life stages

Larvae - 6 legs
Nymph - 8 legs
Adult - 8 legs

1

Where are the stigmata in ticks

Metastigmata - breathing holes behind the legs

2

What is the importance of ticks

Transmit disease

3

What are the two families of tick

Ixodidae - hard tick
Argasidae - soft tick

4

Describe feeding characteristic of hard ticks

Feed one time per life cycle
Feed slowly

5

Ornithadoros
Tick type, Hosts and diseases caused by this tick

Soft tick
Relapsing fever in people (hermsi)
Hosts included rodents (hermsi), cattle, deer (coriaceus)

6

Otobius

Hosts and tick type

(Spinose Ear Tick)
Soft tick
One host
Ears of cattle

7

Which genus of tick has the pre-anal groove

Ixodes

8

What is the only genus of tick to reproduce on the host as opposed to in the environment

Ixodes

9

Ixodes

Tick type, physical characteristics

Hard tick
No eyes, festoons, or ornamentation

10

Haemophysalis

Tick type, hosts

Hard tick
Rabbits and birds

11

Rhipicephalus sanguineus

Common name, Tick type, hosts, preferred climate

Brown dog tick
Hard tick
Feed most often on colored dogs - 3 host tick
Tends to be tropical (now seen in temperate regions)

12

Rhipicephalus annulatus

Alternate name, Tick type, host and disease

Boophilus
Hard tick
Cattle, one-host tick
Vector of bovine piroplasmosis

13

Which tick has been eradicated from the US cattle

Rhipicephalus annulatus

14

Dermacentor veriabilis

Alternate name, tick type, hosts, and associated diseases

American dog tick
Hard tick
Larva and nymph feed on small rodents
Adults feed primarily on dogs, but also horses, people, and wildlife
Vector of Rickettsia rickettsi causing ROCK mountain Spotted Fever

15

Dermacentor andersoni

Alternate name, tick type, hosts and associated disease

Rocky mountain wood tick
Hard tick
dogs? People
RMSF in western states, Q fever, tick paralysis, tularemia and Colorado tick fever

16

Amblyomma

Tick type, Physical characteristics

Hard tick
Long mouthparts, eyes, festoons, ornamented scutum

17

Amblyomma americanum

Alternate name, tick type, hosts, vector of???

Lone star tick
Hard tick
3-Host tick Dogs, people
Vector of RMSF, Cytauxzoon felis (kills cats)

18

Amblyomma maculatum

Alternate name, tick type, host, feeding characteristics, vector of???

Gulf coast tick
Hard tick
3-host tick
Aggressive feeder
Vector of Hepatozoon canis (infected by ingesting tick)