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Lab techniques 2 > Flies that suck blood > Flashcards

Flies that suck blood Flashcards

1
Q

What is the scientific name of Black Fly?

A

Simulium spp

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2
Q

What is the common name of Simulium spp?

A

Black Fly

Buffalo gnat

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3
Q

What does a bite from a Black fly cause?

A

Onchocerciasis aka River Blindness

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4
Q

What does Onchocerciasis cause?

A 
Blindness
Skin lesions
Enlarged lymph nodes
Inflammation
Fibrosis
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5
Q

What is the scientific name of Biting Midges?

A

Culicoides spp

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6
Q

What is the common name of Culicoides spp?

A

Biting mideges

“No-see-ums”

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7
Q

What are the clinical signs of bite from a Culicoides spp?

A

Dermatitis, skin lesions

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8
Q

What are the clinical signs of sheep with a bite from Culicoides spp?

A

Swollen ears, nose, neck

Excessive salivation

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9
Q

What does a bite from Culicoides spp cause in horses?

A

Anaphylaxis

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10
Q

What pathogenesis does Culicoides spp cause?

A

Mansonella (filarial worms)
Bluetongue virus (sheep/cattle)
African horse sickness

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11
Q

What is the zoonosis of Culicoides spp?

A

Oropouche fever from Culicoides paraensis

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12
Q

What is the common name of Anopheles spp, Aedes spp, and Culex spp?

A

Mosquitos

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13
Q

What is the pathogenesis of Anopheles spp?

A

Malaria

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14
Q

What is the pathogenesis of the Aedes spp?

A

Zika virus

Yellow fever

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15
Q

What is the pathogenesis of Culex spp?

A

West Nile Virus

Equine infectious anemia

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16
Q

What do Anopheles spp, Aedes spp and Culex spp all cause?

A

Heartworm

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17
Q

What is the definitive host of Chrysops spp and Tabanus spp?

A 
Horses
Cattle
Humans
Dogs
Etc
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18
Q

What is the common name of Chrysops spp?

A

Deer fly

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19
Q

What is the common name of Tabanus spp?

A

Horse-flies

20
Q

What are the clinical signs of Chrysops and Tabanus spp?

A

Painful bites

21
Q

Chrysops spp and Tabanus spp are common vectors for what disease?

A

Equine Infectious Anemia (EIA)

22
Q

How do you tell a horse fly and a deer fly apart?

A 
Horse Fly (Tabanus spp) = Big
Deer Fly (Chrysops spp) = Look almost triangular when viewed from above
23
Q

Is Chrysops and Tabanus spp zoonotic?

A

No

24
Q

What is the common name of the Stomoxys spp?

A

Stable fly, biting housefly

25
Q

What is the predilection site of Stomoxys sp?

A

Legs
Abdomen
Ears

26
Q

What is the clinical signs of Stomoxys sp?

A

Hair loss

Dried blood

27
Q

What does Stomoxys sp cause?

A

Equine infectious anemia

Anthrax

28
Q

What zoonosis does Stomoxys sp have?

A

Possible anthrax

West nile fever

29
Q

What bacteria causes anthrax?

A

Bacillus anthracis

30
Q

What is the most important method of control for Stomoxys sp?

A

Sanitation

31
Q

What is the definitive host of the horn fly?

A 
Cattle
Buffalo
Bison
Horses
Other large animals
32
Q

What are the clinical signs of a horn fly infestation?

A 
Decreased milk production
Poor feed efficiency
Reduced weight gain
Painful papules and wheals
Ventral midline dermatitis
33
Q

What is the pathogenesis of the Horn fly?

A

Host for Stephanofilaria stilesi

34
Q

What is Stephanofilaria stilesi?

A

A filarial parasite that produces plaque-like lesions on the ventral abdomen of cattle

35
Q

What do horn flies look like?

A

Dark color

Bayonet-like proboscis that protrudes forward from the head

36
Q

Does the Horn fly cause any zoonosis?

A

No

37
Q

What is the definitive host of the sheep ked?

A

Sheep and Goats

38
Q

What is the predilection site of Sheep ked?

A

Deep within the sheep’s wool or the goat’s fleece

39
Q

What are the clinical signs of a Sheep ked infestation?

A 
Pruritis
Weight loss
Anemia
Anxiety
Reduction in wool growth
40
Q

How are sheep ked transmitted?

A

Direct contact with infested animals

41
Q

Sheep Ked are reported to be responsible for the transmission of what viruses and bacteria?

A 
Bartonella spp
Anaplasma spp
Bluetongue virus 
Border disease virus
Rickettsia spp
Trypanosoma malophagium
42
Q

How is sheep ked treated?

A

With insecticides after shearing, best results are from insecticides that have residual activity of over 3-4 weeks

43
Q

What is the economic impact of Sheep Ked?

A

Reducing the production of meat, milk and wool

44
Q

When sheep bite and scratch themselves what does it do to the fleece?

A

Thin
Ragged
Dirty
Defect in hides

45
Q

What species of flies does the female suck blood?

A 
Simulium spp
Phelbotomine sand flies
Culicoides spp
Anopheles, Aedes, Culex
Chrysops spp
Tabanus spp
46
Q

What species of flies do both males and females suck blood?

A

Tsetse fly
Stomoxy’s sp
Horn fly
Sheep ked

Lab techniques 2 (38 decks)

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