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Flashcards in External Parasites Deck (32)
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1

Name 3 types of biting flies.

Deer Fly, Horse Fly, Stable Fly, Horn Fly

(Source: Horse Science (National 4-H Council), p. 52)

2

What is the common name for barn itch?

Ringworm

(Source: Horses and Horsemanship, Ensminger, p. 362)

3

What are three species of bots?

Horse Bot (nit fly), Thread Bot (chin fly), Nose Bot (nose fly)

(Source: Horses and Horsemanship, Ensminger, p. 349)

4

By what method does the tick make transitions from one stage of its life cycle to the next stage (i.e. egg to 6 legged larva)?

Molting

(Source: Horse Science (National 4-H Council), p. 54)

5

What causes mange in horses?

Mites

(Source: Horse Science (National 4-H Council), p. 54)

6

EEE and WEE are transmitted by what insect?

Mosquito

(Source: AYHC Horse Industry Handbook, 625-1)

7

Ringworm is caused by what?

A fungus

(Source: Horse Science (National 4-H Council), p. 55)

8

This is a contagious infection of the outer layers of skin caused by an infestation of microscopic fungi.

Ringworm

(Source: Horses and Horsemanship, Ensminger, p. 362)

9

Blow flies are common in the United States and inflict damage by laying eggs where?

In wounds

(Source: Horse Science (National 4-H Council), p. 52)

10

What disease is caused by mites?

Mange

(Source: Horse Science (National 4-H Council), p. 54)

11

Name 3 of the 5 most common external parasites.

Flies, Mites, Lice, Ticks, Fungus causing ringworm

(Source: Horse Science (National 4-H Council), p. 52)

12

Mange mites have how many legs?

Eight

(Source: The Horse, Evans, p. 645)

13

Name the four distinct stages of flies.

Egg, Larva (bot), Pupa, Adult Fly

(Source: Horse Science (National 4-H Council), p. 52)

14

Where does the most common botfly, gasterophilus intestinalis, deposit its eggs?

On hairs of the fore limbs and shoulders

(Source: AYHC Horse Industry Handbook, 415-5)

15

What disease do mites cause?

Mange

(Source: Horse Science (National 4-H Council), p. 54)

16

Which external parasite attaches to its' host & feeds on its' blood?

Tick

(Source: AYHC Horse Industry Handbook, 415-7)

17

Where do adult lice attach their eggs?

To the hair

(Source: AYHC Horse Industry Handbook, 415-6)

18

What is the foundation of any successful fly control program?

Good sanitation

(Source: AYHC Horse Industry Handbook, 415-3)

19

What are nits?

Lice eggs

(Source: The Horse, Evans, p. 644)

20

What are some of the most persistent pests of horses?

Flies

(Source: AYHC Horse Industry Handbook, 415-1)

21

Which type of parasites is easier to eradicate - external or internal?

External

(Source: Horse Science (National 4-H Council), p. 52)

22

The best way to control flies is to keep the barn what?

Clean

(Source: AYHC Horse Industry Handbook, 415-3)

23

Name a major breeding site for flies.

Manure

(Source: AYHC Horse Industry Handbook, 415-3)

24

What do ticks feed upon?

Blood

(Source: AYHC Horse Industry Handbook, 415-7)

25

Which general type of parasites - internal or external - usually bite and/or suck blood?

External parasites

(Source: The Horse, Evans, p. 642-645)

26

Which fly lays its' eggs on the horse's hair coat?

Bot fly

(Source: AYHC Horse Industry Handbook, 415-5)

27

What is a small organism that lives on or in and at the expense of a larger organism called?

Parasite

(Source: The Horse, Evans, p. 617)

28

When do mosquitoes most commonly feed on horses?

Dusk

(Source: AYHC Horse Industry Handbook, 415-2)

29

How long can lice live without a host?

7 days

(Source: Equine Science, Griffiths, p. 186)

30

Can ringworm be transmitted from horse to human?

Yes

(Source: Equine Science, Griffiths, p. 187)