protozoa exam 4 Flashcards
main morphological differences between fleas and ticks
fleas/lice: 6 legs, larvae
ticks: 8 legs, nymph stages
order for fleas
siphonaptera
important genus and species for fleas. dogs and cats
ctenocephalides felis
order for lice
phthiraptera.
where are the life stages of fleas
only adults on the patients. eggs and larvae are in the environment. infestation through the environment
what are fleas a vector for?
c. felis is a vector for diplydidum caninum. dog tape worm. they get it from ingesting fecal material from infected dogs.
what type of lice do birds get
they get biting lice only.
metamorphosis of lice
simple. immature stages look like the adults
transmission of lice
through direct contact because they spend their entire life stages on the host.
fleas are ____ flattened while lice are ______ Flattened
laterally, dorsoventrally
flies that are found on legs of animals looking upwards
stomoxys calcitrans. stable flies. found in old feces.
these flies transmit blue tongue in ruminants.
culicoides. midges
vector of vesicular stomatitis
simuliidae. humpback flies.
wingless flies
hippoboscidae. found on birds.
horse flies. excellent vector due to?
the way the damage and pool blood. feed on many different hosts in 15 minutes. tabinids
screw worm? genus and species. importance
cochliomyia hominivorax. irridacated from the us causes myiasis.
obligate internal myiasis
bots, grubs, warbles.
true bugs that we care about?
(hemiptera). bed bugs and triatomid: kissing bugs.
american dog tick
dermacentor variabilis
deer tick, black legged tick
ixodes scapularis
lone star tick
amblyomma americanum
rhipicephalus sanguineus
brown dog tick
how do animals get demodex spp
from the dams shortly after birth. considered normal fauna
what are otodectes cynotis, what species generally has them?
surface mites. cats
which mites have two pair of posterior legs seen from the dorsal view.
scarcoptes scabei
genus of bots that are obligate internal parasites
cuterbra (rodent bot) and gasterophilus (horse bot)
obligate cutaneous parasites
cochliomyia hominivorax screw worm
horse flies genera.
tabanidae
flies found on the dorsal surface looking down.
haematobia irritans
sand flies genera. they transmit leishmania
phlebotominae
host specificity of fleas vs lice
fleas have a broad spectrum and lice have a very narrow spectrum
flies that eat ocular secretions- face fly
musca autumnalis
vector for heartworm
culicidae, mosquitoes
most important way to control flies
manure control, then pesticides
