Lecture 7: Flea infestations Flashcards

1
Q

T or F: female fleas are larger than males

A

True

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2
Q

Scientific name for fleas

A

Siphonaptera

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3
Q

Fleas are obligate ____ of mammals and birds

A

Ectoparasites

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4
Q

T or F: fleas are host specific

A

False

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5
Q

Where are flea eggs laid

A

Host nest/environment

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6
Q

What type of metamorphosis do fleas undergo

A

Holometabolous

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7
Q

How many larval instars do fleas have

A

3

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8
Q

How long does it take to complete 1 generation

A

2-4 weeks

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9
Q

What are the 4 degrees of attachment to host

A
  1. Nidicolous fleas
  2. Attached to host
  3. Stick tight fleas
  4. Chigoe fleas
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10
Q

What are nidicolous fleas

A

Fleas that live in hosts nest/burrow and visit host only when to feed

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11
Q

What are sticktight fleas

A

Mated females that use their mouthparts to permanently attach to the host

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12
Q

What are chigoe fleas

A

Mated females embedded within hosts skin

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13
Q

what type of flea attachment is this

A

Sticktight

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14
Q

What type of flea attachment is this

A

chigoe

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15
Q

What is a common side effect of flea infestations in dogs and cats

A

Flea allergic dermatitis

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16
Q

What are some viruses, bacteria, and parasitic Protozoa fleas are vectors for

A
  1. Yersinia pestis
  2. Feline panleukopenia virus
  3. Rabbit tyrpanosomes
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17
Q

Fleas are intermediate hosts for ___ and ____

A

Tapeworms and parasitic nematodes

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18
Q

Provide an example of a tapeworm that fleas are intermediate hosts for

A

Dipylidium caninum

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19
Q

Fleas can be detected/diagnoses by placing a wet paper towel on patient. How would the fleas appear on paper towel to indicate positive result

A

Red spots

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20
Q

How can we control fleas

A
  1. Eliminate fleas on hosts
  2. Eliminate existing environmental infestations
  3. Prevent subsequent re-infestations
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21
Q

What are some treatment options for hosts with fleas

A
  1. Adulticide (fipronil, selamectin, pyrethrins)
  2. Insect growth regulator (methoprene)
  3. Adulticide +insect growth regulator
  4. Physical removal from host
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22
Q

Fipronil is toxic in what species

A

Rabbits

23
Q

What are some methods of environmental control of fleas in indoor spaces

A

Vacuum, apply Adulticide, Insect growth regulator and borate powder to infested carpets and furniture

24
Q

What are some methods of environmental control of fleas in outdoor spaces

A

Trim trees, remove debris, apply insecticides

25
Q

Fleas of poultry are commonly found on what 2 locations

A

Comb and wattle

26
Q

What type of degree of attachment does Echidnophaga gallinacea have

A

Sticktight flea

27
Q

What species does echidnophaga gallinacea infest

A

Poultry, wild birds, dogs, cats, other mammals

28
Q

On poultry, where do Echidnophaga gallinacea normally infest

A

Head, comb, wattles, vent

29
Q

Bites of
Echidnophaga gallinacea near eyes can result in ___

A

Blindness

30
Q

What are some treatment options for poultry with Echidnophaga gallinacea

A

Removal and topical pyrethrin

31
Q

What type of flea is this?

Infests poultry, wild dogs, cats and other mammals

A

E. Gallinacea

32
Q

Certaophyluss spp. infest what species

A

Poultry

33
Q

Ceratophyluss has what type of attachment to host

A

Nidicolous

34
Q

Which species of Ceratophyllus is the western chicken flea, black hen flea.

Readily bites humans

A

C, niger

35
Q

What species of Certatophyllus is the European chicken flea.

Infests other birds, humans and other mammals

A

C. Gallinae

36
Q

What type of flea is this?

Infests poultry, located in Western North America, readily bites humans

A

C. Niger

37
Q

What type of tick have genial and pronotal combs and what species do they infest

A

Ctenocephalides

Infest dogs and cats

38
Q

What is the most common flea of dogs and cats

A

C. Felis

39
Q

What are some important diseases that C. Felis transmits

A
  1. Bubonic plague
  2. Dipylidium caninum
  3. Murine typhus
  4. Bartonellosis
40
Q

What is the dog flea

A

C. Canis

41
Q

what type of fleas are these and how do you know

A

C. Felis
Presence of genial and pronotal combs

42
Q

What type of attachment does Pulex spp have and what species does it infest

A

Nidicolous

Dogs and cats

43
Q

What is the pulex spp. human flea that attacks a wide range of mammals and some birds.

Found worldwide

A

P. Irritans

44
Q

What type of Pulex spp. infests wild mammals, rodents and opossums

A

P. Simulans

45
Q

What type of flea is this?

Infests mammals and some birds, vector for bubonic plague

A

P. Irritans

46
Q

what type off flea is this?

Infests wold mammals, rodents and opossum. Vector for bubonic plague

A

P. Simulans

47
Q

What is the most common flea that infests domesticated small animals (rabbits, rodents and ferrets)

A

Ctenocephalides Felis

48
Q

Spilopsyllus funiculi and Cedipyslla simplex infest what species

A

Domestic rabbits

49
Q

What type of attachment to hose do Spilopsyllus funiculi and Cedipyslla simplex Have

A

Nidicolous

50
Q

What virus does Spilopsyllus funiculi and Cedipyslla simplex Transmit

A

Myxoma virus

51
Q

Xenopsylla cheopis and Nosopsyllus fasciatus infest which species

A

Domestic rats, mice

52
Q

Xenopsylla cheopis and Nosopsyllus fasciatus Transmit what diseases

A

Bubonic plague and hymenolepsis tapeworms

53
Q

What flea infests ungulates (swine, cattle, sheep, goats and equids) that is commonly found in Latin American and African. Results in lesions on limbs, mastitis, abnormal gait

A

Tunga spp.

54
Q

What type of attachment does Tunga spp. have

A

Chigoes