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Parasitology II > Introduction to Insects > Flashcards

Introduction to Insects Flashcards

1
Q

What are the Different Orders of Insecta

A
  1. Diptera (flies)
  2. Phthiraptera (lice)
  3. Siphonaptera (fleas)
  4. Hemiptera (bed bugs)
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2
Q

Common Name for Diptera

A

Flies

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3
Q

Common Name for Phthiraptera

A

Lice

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4
Q

Common Name for Siphonaptera

A

Fleas

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5
Q

Common Name for Hemiptera

A

Bed Bugs

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6
Q

What can you use for identification of Insects?

A

Adults: 3 pairs of legs
Head, thorax, and abdomen
Antenna

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7
Q

What is the Life Cycles of Diptera

A

(Flies)= ELPA

Egg–> Larva–> Pupa–> Adult

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8
Q

What is the Life Cycles of Siphonaptera?

A

(Fleas)= ELPA

Egg–>Larva–>Pupa–> Adult

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9
Q

What is the Life Cycle of Phthiraptera?

A

(lice)= ENNNA

Egg–>Nymph–>Nymph–>Nymph–>Adult

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10
Q

Name the Characteristics of Diptera

A 
(flies):
Proboscis
Antenna
Compound Eye
Ocelli
Wing Veins
Halteres
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11
Q

What are the importance of flies in veterinary parasitology

A
  1. Biological transmission of organisms (eg intermediate hosts of nematodes, protozoa, etc)
  2. Mechanical transmission of organisms
  3. Fly Strike: infiltration with larval stage
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12
Q

What do you use for Identification of Diptera (flies)

A

Mouth Parts
Size
Location on host
Larval Stages: color; spines

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13
Q

What problems do adult Diptera cause?

A

(flies)
Irritate animal
Feed on Blood
Transmit Disease

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14
Q

What is the common name for Stomoxys Calcitrans?

A

Stable Fly: doesn’t have spongy fabellum-probascus

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15
Q

What problems does a Diptera Larvae cause to a host?

A

(flies)
Larvae/instars
migrate in animal
feed on animal

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16
Q

True or False: Lice is Host Specific

A

True: Host Specific
Preferred host
Site of infestation
They are extremely host specific, meaning they require the host to complete the life cycle

17
Q

How does the host get Lice?

A

Direct contact with another host or from bedding shortly after an infected host had been there

18
Q

What is Anoplura?

A

Sucking Lice- suck blood, cause anemia
Move Slowly
Head narrower than thorax

19
Q

What is Ischnocera (Mallophaga)

A

Chewing lice- feed on skin surface; pruritus; secondary infections
Move fast
Head wider than thorax

20
Q

Trichodectes canis

A

Dog biting louse

Parasitology II (4 decks)

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