Lab 11. Demodectic mites, soft and hard ticks and other mites (T)

Question 1

What developmental stage of chigger mites feed on vertebrates?

Answer 1

Larvae

Question 2

It feeds only at one occasion in every developmental stage?

Answer 2

Female hard tick

Question 3

Dragging and flagging is suitable collection for?

Answer 3

Dermacentor marginatus (Hard ticks)

Question 4

Which is the largest overall?

Answer 4

Female ixodes

Question 5

Which animals have “Argas persicus”?

Answer 5

Poultry, wild birds

Question 6

For which species are ciliated setae characteristic?

Answer 6

Trombicula autumnalis, Harvest (Chigger) mite

Question 7

Where do hair follicle mites belong?

Answer 7

Prostigmatid mites

Question 8

For which do you collect with scotch tape?

Answer 8

Cheyletiella

Question 9

Which is the smallest overall?

Answer 9

Hair follicle mite

Question 10

Which animals have D. Phylloides?

Answer 10

Pig

Question 11

For which species are huge palps characteristic?

Answer 11

Cheyletiella

Question 12

Where does the red mite belong?

Answer 12

Mesostigmatid mites

Question 13

Which is not true for Demodex spp.?

Answer 13

Live on hair (they live in the hair follicle and the sebaceous glands)

Question 14

Which lay their eggs on hair?

Answer 14

Cheyletiella mites

Question 15

Their larvae never feed?

Answer 15

Dermanyssus gallinae (red mites)

Question 16

Where do soft ticks lay their eggs?

Answer 16

Cracks and crevices

Question 17

The nymph of hard tick feed on blood?

Answer 17

Only once

Question 18

This species lives on eyelids?

Answer 18

Demodex caballi

Question 19

Their larva is not able to feed on anything?

Answer 19

Red mites

Question 20

What species of Cheyletiella occurs in rabbits?

Answer 20

C. Parasitivorax

Question 21

Prostigmatid mites

Answer 21

• Hair follicle mites - Demodex spp.,
• Hair coat mites - Cheyletiella spp.
• Havest (chigger) mites - Trombicula autumnalis

Question 22

Mesostigmatid mites

Answer 22

Red mites - Dermanyssus gallinae

Question 23

Metastigmatid mites

Answer 23

• Soft ticks - Argas sp.

- Hard ticks - Ixodes spp., Dermacentor spp., Haemphysalis punctata, Rhipicephalus spp.

Question 24

Hair follicle mites of:

1. Horses
2. Cattle
3. Goats (sheep)
4. Pig
5. Dog
6. Cat

Answer 24

Demodex

1. D.equi + D.caballi
2. D.bovis
3. D.caprae (D.ovis)
4. D.phylloides
5. D.canis
6. D.cati, D.gatoi

Question 25

Types of dog hair follicle infection

Answer 25

• Localized/squamous demodicosis
• Generalized/pustular demodicosis
• Pododemodicosis

Question 26

Cheyletiella mites in:

1. Dog
2. Cat
3. Rabbit

Answer 26

1. Dog: C.yasguri
2. Cat: C.blakei
3. Rabbit: C.parasitvorax

Question 27

Host of Argas persicus

Answer 27

Poultry, wild birds

Question 28

Host of Argas reflexus

Answer 28

Pigeons (occ. mammals)

Question 29

Haematophagus ectoparasite mites

Answer 29

• Red mites
• Soft ticks
• Hard ticks

Question 30

Feed on keratin

Answer 30

Cheyletiella mites

Question 31

Feed on skin with cytolytic enzymes

Answer 31

Harvest (chigger) mites

Question 32

Nocturnal mites

Answer 32

• Red mites

- Soft ticks

Question 33

Types of cat hair follicle infection

Answer 33

• Localized
• Generalized
• Ceruminous demodectic otitis externa