Lab 7. Examination for arthropods of veterinary importance. Lice, fleas (T)

Question 1

What is the name of the development for lice?

Answer 1

Epimorphosis (egg > 3/5 nymph stages > adult): insects

Question 2

How big is an adult louse?

Answer 2

1-14 mm

Question 3

How many larval stages of flea?

Answer 3

3

Question 4

How does fleas develop?

Answer 4

By Holometamorphosis

Question 5

In flea infestation, which are the clinical signs?

Answer 5

None of them
Correct: Restlessness, scratching, intense grooming, anemia, fleabite allergy, hot spot in dog
and military dermatitis in cat)

Question 6

Which is true? (size of adult flea)

Answer 6

Adult flea is 1-6 mm

Question 7

How big are the eggs of flea?

Answer 7

0.5 mm

Question 8

Which is characteristic for a cat infected with fleas?

Answer 8

Miliary dermatitis

Question 9

Which is characteristic for a dog infected with fleas?

Answer 9

Hotspots on lumbosacral and gluteal region

Question 10

What is special about Tunga penetrans (jigger)?

Answer 10

Only the male sucks blood

Question 11

Genus of the human flea?

Answer 11

Tunga penetrans

Question 12

Genus of the rat flea?

Answer 12

Xenopsylla cheopis

Question 13

What is the name of development for fleas?

Answer 13

Holometamorphosis (egg > 3-11 larval stages > pupa > adult): insects

Question 14

Which gender are the biggest lice?

Answer 14

Female

Question 15

How are the eyes of the lice?

Answer 15

Reduced or absent

Question 16

How many abdominal segments do fleas have?

Answer 16

10 abdominal segments

Question 17

What does the cocoon of fleas contain?

Answer 17

Pupa

Question 18

One of the anoplura species of cattle is the Linognathus…?

Answer 18

Vituli

Question 19

How many spiracles do lice have?

Answer 19

Six pairs

Question 20

How many abdominal segments do lice have?

Answer 20

9 segments

Question 21

What is the blood-sucking lice species of cattle?

Answer 21

Linognathus vituli, Hematopinus eurysternus and Solenopotes capillatus

Question 22

Which are the hosts of the blood sucking lice?

Answer 22

Mammals

Question 23

Which are the chewing/biting lice of humans?

Answer 23

It does not exist

Question 24

Which are the chewing/biting lice of pigs?

Answer 24

It does not exist

Question 25

Which are the chewing/biting lice of rabbits?

Answer 25

It does not exist

Question 26

Which are the blood sucking lice of birds?

Answer 26

It does not exist

Question 27

Which are the blood sucking lice of cats?

Answer 27

It does not exist

Question 28

Which is the blood sucking louse of sheep?

Answer 28

Linognathus stenopsis, Linognathus ovillus and Linognathus pedalis

Question 29

Which is the blood sucking louse of dogs?

Answer 29

Linognathus setosus

Question 30

Which suborder does Solenopotes capillatus belong to?

Answer 30

Anopeura (blood-sucking lice)

Question 31

Which suborder does Felicola subrostratus belong to?

Answer 31

Ichnocera (chewing or biting lice)

Question 32

How do the lice spread?

Answer 32

By contact, phoresy

Question 33

How many antennae does the Amblycera/Ischnocera have?

Answer 33

3-5 segmented antennae

Question 34

How many antennae does the Anoplura have?

Answer 34

5 segmented antennae

Question 35

How many nymphal stages do lice have?

Answer 35

3 nymphal stages

Question 36

How long do blood sucking lice survive without a host?

Answer 36

1-4 days

Question 37

How long do chewing/biting lice survive without a host?

Answer 37

1-2 weeks