Lice

Question 1

Define anoplura.

Answer 1

Sucking lice. Feed on blood of mammals and other lice.

Question 2

Define mallophagan.

Answer 2

Chewing lice. Feed on hair and scale of mammals and birds.

Question 3

What is the lifecycle of lice?

Answer 3

1. Lay eggs cemented to hair shafts
2. Nymph
3. 2 moults
4. Adults

Question 4

How long is the lice lifecycle?

Answer 4

1 month

Question 5

What does lice infection cause?

Answer 5

Pruritic hair loss
Self-trauma
Anaemia
Vector of some viral and rickettsial diseases

Question 6

Name 6 chewing lice species.

Answer 6

Bevicola bovis
Bevicola ovis
Bevicola equi
Felicola subrostratus
Trichodectes canis
Menacanthus stramineus

Question 7

Where on the body is bevicola bovis?

Answer 7

Head, neck, shoulders, back, rump

Question 8

Where on the body is bevicola ovis?

Answer 8

Mobile over whole body

Question 9

What is caused by bevicola ovis?

Answer 9

• Serum exudated from bite wounds mats wool
• May attract blowflies

Question 10

What on the body is bevicola equi?

Answer 10

Dorsal aspect

Question 11

What is the appearance of bevicola equi?

Answer 11

Uncommon. Large enough to see

Question 12

What is the pathogenicity of felicola subrostratus?

Answer 12

• More pathogenic in elderly or ill animals
• More in long haired breeds or matted/neglected fur

Question 13

Where on the body is trichodectes canis?

Answer 13

Head, neck, tail

Question 14

What does trichodectes canis cause?

Answer 14

Skin irritation
Self-trauma
Skin damage
Inflammation
Excoriation
Alopecia
Secondary bacterial infection

Question 15

Where on the body of what animal is menacanthus stramineus?

Answer 15

Birds
Breast, thighs, vent

Question 16

What does menacanthus stramineus cause?

Answer 16

Severe irritation
Inflamed and crust covered skin
Decreased weight
Decreased clutch size
Death of chicks

Question 17

Name 7 sucking lice species.

Answer 17

Haematopinus suis
Haematopinus asini
Haematopinus eurysternus
Linognathus vituli
Linognathus setosus
Linognathus ovillus
Linognathus pedalis

Question 18

What is the appearance of haematopinus suis?

Answer 18

Enormous
Quick

Question 19

Where on the body of which animal is haematopinus suis?

Answer 19

Pig
Neck, jowl, ears

Question 20

What does haematopinus suis cause?

Answer 20

Irritation
Pruritis
Self-trauma
Skin damage

Question 21

Where on the body of which animal is haematopinus asini?

Answer 21

Horses
Head, neck, back, inner upper legs

Question 22

What does haematopinus asini cause?

Answer 22

Restlessness
Loss of condition
Anaemia

Question 23

Where on the body of which animal is haematopinus eurysternus?

Answer 23

Cattle
Anywhere on the body

Question 24

What does haematopinus eurysternus cause?

Answer 24

Anaemia
Loss of condition

Question 25

What is the common name for Linognathus vituli?

Answer 25

Long nosed cattle lice

Question 26

Where on the body of which animal is linognathus vituli?

Answer 26

Cattle
Shoulders, neck, rump

Question 27

What animal is affected by linognathus setosus?

Answer 27

Dogs

Question 28

What does linognathus setosus cause?

Answer 28

Anaemia

Question 29

What is the common name for linognathus ovillus?

Answer 29

Face louse

Question 30

Where on the body of which animal is linognathus ovillus?

Answer 30

Sheep
Ears, face

Question 31

What is the common name for linognathus pedalis?

Answer 31

Foot louse

Question 32

Where on the body of which animal is linognathus pedalis?

Answer 32

Sheep
Feet, legs, scrotum