Phthiraptera Flashcards Preview

Parasitology > Phthiraptera > Flashcards

Flashcards in Phthiraptera Deck (28)
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1
Q

Transmission

A

contact

2
Q

Cat louse

A

Felicola subrostratus - usually on sick or old cats

3
Q

Horse louse

A

Werneckiella equi (vector)

4
Q

Sheep louse

A

Bovicola ovis

5
Q

Pig louse

A

Haematopinus suis

6
Q

Poultry louse

A

Goniocotes gallinae

7
Q

Control of Bovicola Ovis

A

Treat post shearing - affected by temp (photophobic)

Plunge/shower dip in organophosphates or synthetic pyrethroids (resistance presant)

Pour on/backline treatment - synthetic pyrethroids (resistance presant)

(low numbers in summer. Eggs won’t hatch in 90% humidity, eggs not laid above 39 degrees, sunlight and heavy rain kills eggs)

8
Q

Poultry Lice cause…

A

Irritation

feather loss

poor growth

reduced egg production

9
Q

Most common poultry louse

A

Menacanthus stramineus

10
Q

Anoplura eggs

A

Large - Black

11
Q

Lifecycle length of Bovicola ovis

A

Eggs 10 days

Total 35 days

12
Q

Number of nymphal stages

A

3

13
Q

Type of parasite

A

obligate/permanent

14
Q

Biting Lice

A

Mallophaga

15
Q

Sheep louse

A

Linognathus ovillus

16
Q

Human louse

A

Phthirus pubis

17
Q

Sucking lice

A

Anoplura

18
Q

Dog louse

A

Linognathus setosus

19
Q

Treatment

A

Same as flea control -fipronil -imidacloprid -selamectin

20
Q

Horse louse

A

Haematopinus asini - transmitted on grooming equiptment

21
Q

Sheep louse

A

Linognathus pedalis - transmitted in pasture

22
Q

Bovicola Ovis

Effects on host

A

Feed on stratum corneum and wool grease

Hypersensitiviy Reaction

irritation -> running -> pulled wool

23
Q

Cow louse

A

Bovicola bovis

24
Q

Cattle lice - most active time of year

A

Winter

25
Q

Dog louse

A

Trichodectes canis

26
Q

Cow louse

A

Haematiopinus spp

Solenopotes capillatus

Linognathus vituli

27
Q

Host range

A

Host specific

28
Q

Dog Louse

A

Heterodoxus spiniger