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ENDO > FLIES > Flashcards

FLIES Flashcards

1
Q

What are the two main suborders of flies?

A

Brachycera and nematocera

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2
Q

What suborder does a mosquito belong to?

A

Nematocera

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3
Q

What family do mosquitoes belong to?

A

Culicidae

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4
Q

Discuss simuliidae

A
  • Black flies
  • Eggs/ larvae live in fast flowing oxygenated water
  • CAUSE SWEET ITCH
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5
Q

Discuss psychodidae

A
  • Sand flies
  • Cause LEISHMANIA
  • Eggs laid on the ground
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6
Q

Discuss certatopognidae

A
  • Biting midges
  • CAUSE SWEET ITCH
  • Live in semi aquatic/ aquatic areas
  • Cause skin allergies
  • Transmit bluetongue and schmallenberg
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7
Q

Discuss Culicidae

A
  • 2 main groups Anophelin and culicine
  • Breed in aquatic areas
  • Larvae live in still water
  • Culicine larvae hang down into the water and anopheline larvae lie flat on the water
  • TRANSMIT: Malaria, Dirofilaria immitis, west nile virus
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8
Q

Describe the transmission of malaria

A
  • The sporozoites in the salivary gland of the mosquito enter the mammal when mosquito take a blood meal.
  • Sporozoites enter the liver of the mammal and become meterozoites
  • Meterozoites travel to erythrocytes (Red blood cells) and start asexual reproduction
  • A mosquito ingests the gameotcytes and cycle begins again
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9
Q

Describe the transmission of dirofilarial immitis

A
  • Infected mosquito bites and L3 enter the wound
  • Adult heartworms in the PA produce microfilariae
  • Microfilariae in the blood are ingested by mosquito
  • Microfilariae travel to mosquitoes malphagian tubules where they develop to L3
  • L3 travel to mosquito proboscis
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10
Q

Give an example of an arbovirus

A

-West nile virus

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11
Q

Describe flies from the family Tabanidae

A
  • Horseflies/ deer flies
  • Big, bitey flies
  • Large saw like mouthparts= painful bite
  • Spread Haematopota pulvalis
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12
Q

Describe flies from the family Hopposcidae

A
  • Keds/ louse flies
  • BOTH males and females feed on blood- OBLIGATE ectoparasites
  • Sheep ked= Melophagus ovis, transitted through direct contact
  • Horse ked= Hippoboscis equina
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13
Q

Describe flies from the genus Glossina

A
  • Tsetse flies

- Vectors of sleeping sicknes (T. brucei)

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14
Q

Which flies are responsible for myiasis ?

A

-House flies, blow flies, bot/ warble flies

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15
Q

Describe the horse bot

A
  • Gasterophilus
  • G intestinalis lays eggs around knees
  • G nasalis lays eggs under the jaw
  • G haemorrhoidallis lays eggs around the lips
  • Larvae are ingested and bind to the non glandular/ glandular border of the stomach.
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16
Q

Describe sheep nasal bot

A
  • Oestrus ovis
  • Larvae cause a heavy discharge and thickening of the nasal mucosa which impairs respiration
  • If larvae get stuck in the sinuses can cause septic sinusitis OR can even sometimes travel to brain
17
Q

Describe infections from the flies of the genus Hypoderma

A
  • Heel flies, warble flies, cattle grubs
  • Larvae create breathing holes in the hide
  • Females cause gadding= frightened adult cattle try to run away from the sound of the fly
18
Q

Describe flystrike

A
  • Adult flies are attracted to a wound or skein lesion or soiled hair and lay there eggs there.
  • Can cause the animal to die
19
Q

What fly is primarily responsible for flystrike in the UK?

A

Blow/ bottle flies (calliphoridae)

20
Q

What increases the risks of flystrike in rabbits?

A
  • Incorrect diets= leading to too many ceocotrophs
  • dirty litter/ bedding
  • Not able to groom properly
21
Q

Which species of fly causes rapid and sever myiasis in livestock?

A

Flesh flies-( Sarcophagidea)

22
Q

Which flies are under the genus Oestridae?

A

-Bot and warble flies

23
Q

Which genus do blow flies belong to?

A

Caliphoridae

24
Q

Which genus do keds belong to?

A

Hippoboscidae

25
Q

Which flies belong to the Tabanidae genus?

A

Horse flies

26
Q

Which flies fall into the Muscidae genus?

A

House flies/ stable flies

27
Q

What is the proper name for sheep head fly?

A

-Hydrotaea irritans- they feed on the secretions from the eyes and nose and debrise at base f horn/

ENDO (39 decks)

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