protozoa exam 4 Flashcards

1
Q

main morphological differences between fleas and ticks

A

fleas/lice: 6 legs, larvae
ticks: 8 legs, nymph stages

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2
Q

order for fleas

A

siphonaptera

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3
Q

important genus and species for fleas. dogs and cats

A

ctenocephalides felis

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4
Q

order for lice

A

phthiraptera.

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5
Q

where are the life stages of fleas

A

only adults on the patients. eggs and larvae are in the environment. infestation through the environment

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6
Q

what are fleas a vector for?

A

c. felis is a vector for diplydidum caninum. dog tape worm. they get it from ingesting fecal material from infected dogs.

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7
Q

what type of lice do birds get

A

they get biting lice only.

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8
Q

metamorphosis of lice

A

simple. immature stages look like the adults

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9
Q

transmission of lice

A

through direct contact because they spend their entire life stages on the host.

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10
Q

fleas are ____ flattened while lice are ______ Flattened

A

laterally, dorsoventrally

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11
Q

flies that are found on legs of animals looking upwards

A

stomoxys calcitrans. stable flies. found in old feces.

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12
Q

these flies transmit blue tongue in ruminants.

A

culicoides. midges

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13
Q

vector of vesicular stomatitis

A

simuliidae. humpback flies.

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14
Q

wingless flies

A

hippoboscidae. found on birds.

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15
Q

horse flies. excellent vector due to?

A

the way the damage and pool blood. feed on many different hosts in 15 minutes. tabinids

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16
Q

screw worm? genus and species. importance

A

cochliomyia hominivorax. irridacated from the us causes myiasis.

17
Q

obligate internal myiasis

A

bots, grubs, warbles.

18
Q

true bugs that we care about?

A

(hemiptera). bed bugs and triatomid: kissing bugs.

19
Q

american dog tick

A

dermacentor variabilis

20
Q

deer tick, black legged tick

A

ixodes scapularis

21
Q

lone star tick

A

amblyomma americanum

22
Q

rhipicephalus sanguineus

A

brown dog tick

23
Q

how do animals get demodex spp

A

from the dams shortly after birth. considered normal fauna

24
Q

what are otodectes cynotis, what species generally has them?

A

surface mites. cats

25
which mites have two pair of posterior legs seen from the dorsal view.
scarcoptes scabei
26
genus of bots that are obligate internal parasites
cuterbra (rodent bot) and gasterophilus (horse bot)
27
obligate cutaneous parasites
cochliomyia hominivorax screw worm
28
horse flies genera.
tabanidae
29
flies found on the dorsal surface looking down.
haematobia irritans
30
sand flies genera. they transmit leishmania
phlebotominae
31
host specificity of fleas vs lice
fleas have a broad spectrum and lice have a very narrow spectrum
32
flies that eat ocular secretions- face fly
musca autumnalis
33
vector for heartworm
culicidae, mosquitoes
34
most important way to control flies
manure control, then pesticides