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EV ACVD Study > Flies > Flashcards

Flies Flashcards

1
Q

Cow dorsum

A

Warbles
“Cow grubs”

*Hypoderma bovis (spinal cord migration)
*Hypoderma lineatum (esophageal migration

*Cows&raquo_space; Horses
*Warbles = L3 larvae

*Tx = avermectins

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2
Q

Fly in Africa only. Carries African sleeping sickness from Trypanosomes (“Nagana”)

A

Tse Tse fly

Glossinia

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3
Q

Genus of Sandfly in New World

A

Lutzomyia

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4
Q

Genus of Sandfly in Old World

A

Phlebotomus

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5
Q

Sandfly is the vector for ______

A

Leishmania

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6
Q

Where do sandflies (Lutzomyia, phlebotomus) reproduce

A

Decaying organic matter

NOT H2O

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7
Q

What type of infection is Myiasis

A

Fly larvae disease (bots)

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8
Q

Horse bot

A

Gasterophilus

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9
Q

Sheep bot

A

Oestrus ovis
“Sheep nose”

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10
Q

Rodent/rabbit bot

A

Cuterebra

Hypersensitivity reaction to L3 possible!

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11
Q

Screwworm myiasis

A

REPORTABLE
*Cochliomyia hominovorax

Likes living tissues

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12
Q

Sheep

A

Melophagus ovinus

Sheep ked

Entire life ON HOST
*Affects wool

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13
Q

Sheep ked is the vector for _____

A

Trypanosoma melophagium

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14
Q

Horse

A

Hippobosca

Horse ked

Likes inguinum, perianal region

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15
Q

Cow Ventral abdomen

A

Stephanofilaria stilesi

Filaria

Vector: Haematobia irritans
“Horn fly”

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16
Q

What disease does Haematobia irritans (horn fly) carry

A

Stephanofilaria stilesi

(filaria; ventral midline, cow)

ALSO Corynebacterium pseudotuberculosis

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17
Q

Where do horn flies lay their eggs

A

Cow manure

Haematobia irritans

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18
Q

Which fly carries Corynebacterium pseudotuberculosis

A

Haematobia irritans (horn fly)

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19
Q

What time do horn flies feed

A

Day time

Haematobia irritans

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20
Q

Stable fly

A

Stomoxys

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21
Q

What is unique about stable flies

A

Both males and females blood feed

(other flies, just females!)

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22
Q

What disease is this? Vector?

A

Habronemiasis
“Summer sores”

Vector: Stable fly (Stomoxys) and House fly (Habronema Muscae)

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23
Q

Which flies are responsible for these lesions? What disease is this?

A

Equine aural plaques

Caused by equine papillomavirus

Vectors: 1) Black fly, Simulium
2) Stable fly, Stomoxys

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24
Q

What time do stable flies feed?

A

Daytime

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25
Q

Which flies feed at daytime?

A

*Stable fly (Stomoxys)
*Horse fly (Tabanus)
*Horn fly (Haematobia irritans)

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26
Q

Which fly is a vector for Equine Infectious Anemia (EIA)?

A

Stable fly (Stomoxys)

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27
Q

T or F: Stable fly (Stomoxys) can be a vector for Trypanosomes

A

True. (So can Tse Tse fly)

28
Q

Tabanus other name

A

Horse fly

Large, piercing mouthparts

29
Q

Where do horse flies breed

A

STANDING water (black flies like running water), wet vegetarian

30
Q

T or F: Tabanus control can be achieved with adding fans to the stable

A

False. Strong fliers. Fans don’t help enough.

31
Q

Tabanus (horse flies) are a vector for ______ (4)

A

*Tularemia
*Anthrax
*Anaplasma
*Bovine leukoemia virus

32
Q

T or F: Culicoides control can be achieved with adding fans to the stable

A

True. Weak fliers

33
Q

Other name for Culicoides

A

Gnats
No see Ums

34
Q

What disease is this? Which fly is a vector for this disease

A

Onchocerca cervicalis

Culicoides, Black fly (Simulium)

35
Q

Which flies may bite on the ventral midline in horses

A

*Cuilocoides
*Haematobia irritans (horn fly; umbilical, Stephanofilaria stilesi)
*Stomoxys (Stable fly)
*Tabanas (horse fly)

36
Q

Which fly is a vector for blue tongue, African Horse Sickness

A

Culicoides

37
Q

Which species of Culicoides bites on the ventrum

A

C obsoletus
C nuberculosis
C schultze

38
Q

Which species of Culicoides bites on the dorsum

A

C imicola
C newsteadii
C pulicaris

39
Q

Which flies are associated with summer itch (3)

A

Culicoides > horn fly (Haematobia irritans, ventrum), black fly (Simulium, diffuse)

40
Q

Which breed is predisposed to summer itch

A

Icelandic ponies

41
Q

Other name for summer itch

A

Insect Bite Hypersensitivity

42
Q

Type of hypersensitivity reaction caused by Summer Itch

A

Type 1, Type 4

43
Q

Where do Mosquitos breed? What time do mosquitos feed

A

Water, dusk

44
Q

Other name for Black fly

A

Simulium

45
Q

Where do Simulium breed

A

RUNNING water (horse flies like standing water)

46
Q

What time do Simulium feed

A

Morning + evening

47
Q

Simulium is a vector for _____

A

*EHV aural plaques
*Onchocerca
*EEE

48
Q

What is the other name for Face Fly

A

Musca autumnalis

49
Q

Where do Musca autumnalis breed

A

Feces, garbage

50
Q

Musca autumnalis is a vector for _____

A

Bovine papilloma virus, Thelezia

51
Q

Other name for House Fly

A

Musca domestica

52
Q

Where do Musca domestica breed

A

Feces, garbage

53
Q

Musca domestica is a vector for ______

A

1) Habronema muscae (stomach nematode in horses)
2) Draschia megastoma (stomach nematode in horses)
3) Corynebacterium

54
Q

T or F: Fans will be very helpful for minimizing Simulium exposure

A

FALSE. Strong fliers, can fly long distances

55
Q

Where on the body does Simulium bite

A

Thinly haired areas
-Face, ears, neck
-Ventrum
-Intermandibular space
-Legs

56
Q

Treatment for Simulium

A

Stable during day
Frequent application of repellents
Prednisolone if severe cutaneous reactions

57
Q

Treatment of Tabanus (horse fly)

A

Fly sheets (protect truncal feeding)
Stable during the day
Frequent application of repellents

58
Q

Where on the body do Horse Flies bite

A

Ventrum, legs, neck, withers

When they stop feeding, blood drops appear at the site. Attracts non-biting insects

59
Q

Where on the body do Stable Flies bite

A

Caudal, lateral aspects of front and hindlimbs

CHEST + LEGS

60
Q

How much time do horn flies spend on their host?

A

Their ENTIRE adult life

61
Q

T or F: Hamaetobia irritans requires COW manure for eggs to develop. Eggs laid in horse manure will not develop

A

True

62
Q

Where on the body do horn flies bite

A

Umbilicus!
VENTRAL MIDLINE DERMATITIS

63
Q

Treatment of Horn flies

A

Remove cow feces!!
+Daily repellent spray

64
Q

T or F: Musca are biting flies

A

False. Feed from wounds or ocular/oral/nasal secretions

65
Q

Where to horse keds like to feed

A

Rump, perineum

66
Q

Which mosquito genus are strong fliers? Which are weak fliers?

A

Strong: Aedes
Weak: Anopheles/Culex

67
Q

Differentiating factor for ventral midline dermatitis between Culicoides and Horn flies

A

Horn flies: discrete lesions
Culicoides: More generalized dermatitis

EV ACVD Study (52 decks)

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