lab 7

Question 1

What is the name of the development of 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

Which gender are the biggest lice?

Answer 3

Female.

Question 4

How are the eyes of the lice?

Answer 4

Reduced or absent.

Question 5

How many antennae does the Amblycera/ Ischnocera have?

Answer 5

3- 5 segmented antennae.

Question 6

How many antennae does the Anoplura have?

Answer 6

5 segmented antennae.

Question 7

How many nymphal stages do lice have?

Answer 7

3.

Question 8

How long do blood sucking lice survive without a host?

Answer 8

1- 4 days.

Question 9

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

Answer 9

1- 2 weeks.

Question 10

How do lice spread?

Answer 10

By contact, phoresy.

Question 11

Which suborder does Felicola subrostratus belong to?

Answer 11

Ichnocera (chewing or biting lice)

Question 12

Which suborder does Solenopotes capillatus belong to?

Answer 12

Anopeura (blood sucking lice)

Question 13

Which is the blood sucking louse of dogs?

Answer 13

Linognathus setosus.

Question 14

Which is the blood sucking louse of sheep?

Answer 14

Linognathus stenopsis, Linognathus ovillus and linognathus pedalis.

Question 15

Which are the blood sucking lice of cats, birds?

Which are the chewing/biting lice rabbits, pigs, humans?

Answer 15

It does not exist.

Question 16

Which are the hosts of the blood sucking lice?

Answer 16

Mammals.

Question 17

What is the blood-sucking lice sp, of cattle?

Answer 17

Linognathus vituli, Hematopinus eurysternus + Solenopotes capillatus.

Question 18

How many abd segments do lice have?

Answer 18

9

Question 19

How many spiracles do lice have?

Answer 19

6 . pairs.

Question 20

One of the anoplura sp. of cattle is the Linognathus?

Answer 20

Vituli.

Question 21

What does the cocoon of fleas contain?

Answer 21

Pupa

Question 22

How many abd segments do fleas have?

Answer 22

10 abd segments.

Question 23

What is the name of development for fleas?

Answer 23

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

Question 24

Genus of the rat flea?

Answer 24

Xenopsylla cheopis.

Question 25

Genus of the human flea?

Answer 25

Tunga penetrans.

Question 26

What is special about Tunga penetrans (jigger)?

Answer 26

Only male sucks blood.

Question 27

Which is characteristic of a dog infected with fleas?

Answer 27

Hotspots on lumbosacral + gluteal region.

Question 28

Which is characteristic for a cat infected with fleas?

Answer 28

Miliary dermatitis.

Question 29

How big is an adult flea?

Answer 29

1 - 6 mm.

Question 30

How big are the eggs of flea?

Answer 30

0.5 mm.

Question 31

Which is true?

Answer 31

Adult flea is 1 - 6 mm.

Question 32

In flea infestation, which are the clinical signs?

Answer 32

None. | Restlessness, scratching, intense grooming, anemia, fleabite allergy, hot spot in dog and military dermatitis in cat

Question 33

How does fleas develop?

Answer 33

Holometamorphosis.

Question 34

How many larval stages of flea?

Answer 34

3.