Lecture 8: Ticks Flashcards
(103 cards)
1
Q
What are the two major tick families of veterinary important
A
Argarsidae and ixodidae
2
Q
What is the head known as in ticks
A
Gnathosoma or capitulum
3
Q
What is the basis capitali
A
Near body
4
Q
What 3 structures make up the mouthparts
A
Chelicerae, hypostome, palps
5
Q
What are chelicerae
A
Cutting blades for laceration
6
Q
What is the hypostome
A
Barbed penetrating sucking organ
7
Q
What are the palps
A
Accessory sensory organ
8
Q
Identify 1-4
A
- Chelicerae
- Hypostome
- Palps
- Basis capituli
9
Q
What is the body called in ticks
A
Idiosoma
10
Q
How many legs do ticks have
A
8
11
Q
What are the respiratory organs openings called
A
Spiracles
12
Q
What is the scutum
A
Dorsal shield
13
Q
What are festoons
A
Grooves on the back margin
14
Q
Ixodidae or argasidae: dorsally visible capitulum (mouth parts)
A
Ixodidae
15
Q
Ixodidae or argasidae: capitulum visible ventrally
A
Argasidae
16
Q
Ixodidae or argasidae: scutum and festoons absent
A
Argasidae
17
Q
Ixodidae or argasidae: scutum or festoons present
A
Ixodidae
18
Q
Ixodidae or argasidae: eyes present on dorsal side
A
Ixodidae
19
Q
Ixodidae or argarsidae: eyes present on lateral surfaces
A
Argasidae
20
Q
Ixodidae or argasidae: long feeding time
A
Ixodidae
21
Q
Ixodidae or argasidae: short feeding time
A
Argasidae
22
Q
Ixodidae or argasidae: non-Nidicolous, targets smaller rodents, larger mammals
A
Ixodidae
23
Q
Ixodidae or argasidae: Nidicolous, target birds, bats and some cattle
A
Argasidae
24
Q
Ixodidae or argasidae: short lifespan
A
Ixodidae
25
ixodidae or argasidae: long lifespan
Argasidae
26
Ixodidae or argasidae: 3 basic life stages, single blood meal and moult between stages, female dies after mating
Ixodidae
27
Ixodidae or argasidae: up to as many as 11 stages, multiple blood meals between stages. Female lays many batches of eggs throughout lifespan
Argasidae
28
What is trans ovarian transmission
One host ticks can transmit diseases by being passed from adult female tick to her larvae through infection of eggs/ovaries
29
What is transstadial transmission
Two-three host ticks: infection acquired by nymph that then feeds on host, transmitted to host and then adult ticks feed on host
30
What are the soft ticks
Argasidae
31
What are the 4 genera of veterinary importance in argasidae
1. Argas
2. Ornithodoros
3. Otobuis
4. Carios
32
Where are Argas spp found in U.S.
Gulf of Mexico and Mexican border
33
What is the host for Argas persicus
Domestic fowl and several wild birds
34
What diseases does Argas transmit
1. Borellia anserina
2. Aegyptianella pullorum
3. Tick paralysis
35
what type of tick is this
Argas
36
What is the host for ornithodoros hermsi
Rodents
37
Where is ornithodoros hermsi found
Rocky Mountain and pacific coast
38
What is the host of ornithodoros coriaceus
Deer and cattle
39
Where is ornithodoros coriaceus found in U.S.
California and Oregon
40
What diseases does ornithodoros transmit
Pajaroellobacter abortibovis (epizootic bovine abortions), Borellia spp.
41
What type of tick is this?
Ornithodoros
42
What type of tick is this
Argas
43
What is the spinose ear tick
Otobuis megnini
44
What do Otobuis megnini parasitize
Ear canals of cattle and horses
45
Which type of argasidae tick is a one host tick
Obtains
46
What type of tick is this
Otobuis
47
What type of tick is this
otobuis
48
What are hard ticks
Ixodidae
49
What are the 5 genera of ixodidae ticks of veterinary importance
Ixodes, rhipicephalus, dermacentor, amblyomma, haemaphysalis
50
What are 1 host ticks
Species that complete both molts without leaving host
51
What are two host ticks
Engorged nymphs drop off to molt
52
What are three host ticks
Engorged nymph and larvae drop off to molt
53
Ixodes are __host ticks
3 host ticks
54
What type of scutum do Ixodes have
Inornate
55
Do Ixodes have festoons
No
56
What are the two main species of Ixodes
Ixodes scapularis and Ixodes pacificus
57
What is the deer tick and black legged tick
Ixodes scapularis
58
What is the host of Ixodes scapularis
White tailed deer
59
What diseases does Ixodes scapularis transmit
Lyme, babesiosis, anaplasma, and powassan virus
60
What is the western black legged tick
Ixodes pacificus
61
What is the main host of Ixodes pacificus
Lizards and small mammals
62
What diseases does Ixodes pacificus transmit
Lyme and anaplasma
63
What type of tick is this and how do you know
Ixodes tick
Inornate scutum and long palps
64
What type of scutum does the rhipicephalus have
Inornate
65
What type of tick is this based on the basis capitula
rhipicephalus- hexagonal basis capitula
66
What is the brown dog tick
Rhipicephalus sanguineus
67
Rhipicephalus sanguineus are ___ host ticks
3 host ticks
68
What is the main host of rhipicephalus sanguineus
Dog
69
What diseases does rhipicephalus sanguineus transmit
Bebesia canis (canine piroplasmosis)
Ehrlichia
RMSF
70
What is the cattle tick
Rhipicephalus annulatus
71
Rhipicephalus annulatus is a __ host tick
1
72
What is the host for rhipicephalus annulatus
Domestic animals
73
What diseases does rhipicephalus annulatus transmit
Babesia bovis and anaplasma
74
What type of tick is this and how do you know
Rhipicephalus
Inornate scutum
Short palps
75
Dermacentor are ___host ticks
Three
76
What type of scutum do dermacentor ticks have
Ornate
77
What type of tick is this based on the basis capitula
dermacentor- rectangular basis capitula
**rhipicephalus have hexagonal
78
What tick is most implicated in causing tick paralysis
Dermacentor
79
What is the Rocky Mountain wood tick
Dermacentor Andersoni
80
What is the host of dermacentor andersoni
Dogs and small mammals
81
What diseases does dermacentor andersoni transmit
RMSF, tularemia, Colorado tick fever, tick paralysis, Q fever
82
What is the American dog tick
Dermacentor variabilis
83
What is the host of dermacentor variabilis
Dogs and other mammals
84
What diseases does dermacentor variabilis transmit
RMSF, tularemia, and tick paralysis
85
what type of tick is this and how do you know
Dermacentor
Ornate scutum and short palps
86
Amblyomma are __host ticks
Three
87
What type of scutum do amblyomma have
Ornate
88
What is the lone star tick
Amblyomma americanum
89
What is the host for amblyomma americanum
White tailed deer
90
What diseases does the Amblyomma americanum transmit
**cytauxzoon Felis (fatal Protozoal disease of cat
RMSF, tularemia, Ehrlichia, Q fever
91
What is the gulf coast tick
Amblyomma maculatum
92
What is the host for amblyomma maculatum
Small rodents, birds and mammals
93
What diseases does amblyomma maculatans transmit
** Hepatozoon americanum
Rickettsia parkeri
94
Haemaphysalis is __host ticks
Three
95
What type of scutum do haemaphysalis have
Inornate
96
What type of tick is this and how do you know
Haemaphysalis
Palpi have laterally flared second segment
97
What is the rabbit tick
Haemaphysalis leporispalustris
98
What is the host for Haemaphysalis leporispalustris
Rabbits
99
What diseases does Haemaphysalis leporispalustris Transmit
*Theileria (Protozoal disease of large and small ruminants)
RMSF
Tularemia
100
What is tick toxicosis
Ascending paralysis caused by absorption of toxins from saliva of engorging female ticks
101
What is ill thrift-“tick worry”
Anemia, painful bites, wounds, secondary infections, myasis, toxin absoprtions
102
How do you diagnose tick infections
Clinical signs, direct observation and taxonomic ID
103
What is the treatment for tick infestations `
Ascarides
