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162 Cards in this Set

  • Front
  • Back
do lice have wings? how are they flattened?
no! flattened dorsal/ventral
how do lice eggs interact with hair/feathers?
they're cemented
what lice stages occur on the host?
all
when throughout the year do lice reproduce?
year round
which lice are the "chewing lice"?
mallophagia
which animals are chewing lice found on? are they harmful?
birds (not blood feeders). not harmful.
how do you generally ID chewing lice (mallophagia)?
head wider than prothorax.
which lice are "sucking lice" and where do they live?
anoplura; mammals
which lice have piercing mouthparts, are disease vectors and have anesthetic saliva?
sucking lice (anoplura)
how do you kill chewing lice? 2 drugs.
permethrins, carbaryl.
how do you control cattle lice drug-wise?
ivermectin.
2 drugs to control sheep/goat lice.
permethrin, malathion.
2 drugs to control horse lice.
permethrin, malathion
L. Setosus laymans name?
dog sucking lice!
t. canis laymans name?
dog biting lice@
3 drugs to control dog lice?
carbaryl, advantage, frontline
louse f. subrostratus laymans name?
cat lice!
can lice spread in clean conditions?
yes.
are all HEAD lice blood suckers?
yes.
how long do adult head lice live on the host, and how long off the host?
3 weeks on.....can't survive off!
p. humanus capitis
head louse
p. humanus humanus
body louse
can your pet get your nasty head lice?
no.
can you get lice from your nasty pets?
no.
what's so different about the cat flea?
it stays on the host the whole time! if you ever take it off it will die within 2 days.
how do cat fleas survive in the winter?
they live off of wildlife.
how do you kill all stages of the flea?
freezing.
how long is the flea life cycle in the midwest and in hotter climates.
28 days...shorter where it's hotter.
what do flea larvae eat?
the adult's dookie.
how long does the flea pupa last?
1-2 weeks
what 3 things does the cat flea need to hatch?
heat, CO2 and vibration (vacuum!!!!!!)
how long can the cat flea live without a host?
10 days.
what type of mites cause scabies usually?
sarcoptes
where does the mite pneumonyssus live in dogs?
nasal sinuses.
which mite can remain for 6 months after the host leaves? who cares?
d. gallinae aka chicken/roost/red mite. you need to treat the building as well as the birds!
what mite looks like red dots on white objects?
d. gallinae chicken mite.
is the chicken mite zoonotic?
YES. severe dermatitis in humans.
treatment for chicken mite?
carbaryl.
o. bacoti laymans name and hosts.
tropical rat mite. lab, school and caged house pets!
cheyletiella mites laymans name? what's a little different about it?
fur mites or "walking dandruff mite". doesn't burrow
which mites would you see brushed onto a table or via crusty ringworm-like lesions on a cat?
cheyletiella aka the walking dandruff mite.
2 ways to control p. ovis aka the sheep itch mite?
lim-sulfur dip or ivermectin.
which mite has an unusual cigar shape?
demodex!
do demodex mites move between hosts?
no! each host has it's own.
which mites can give puppies or immunodeficient dogs red mange?
demodex.
what is often concurrent with demodex mites?
an underlying illness.
is it ok to breed a dog that has had demodecosis?

(that's demodex mites, slick)
no!! susceptibility is heritable.
how do you diagnose demodex?
deep skin scraping whilst squeezing or maybe a fecal float.
which chigger life stages are parasitic? do they burrow?
just the larvae. no burrowing.
how do you control the turkey chigger?
confine, shade, malathion.
what do chorioptes mites cause?
"leg mange" or "barn itch"
"leg mange"

-result?
-time of year?
-what NOT to treat with?
maybe decreased milk.

winter!

NO ivermectin!
mite psoroptes causes what in horses?
sarcoptic-ish mange in horses.
what mite causes sheep scab?
psoroptes.
what mite causes problems in pretty much every large animal?
psoroptes.
do psoroptes mites burrow?
nope, they puncture the epidermis and corium.
how do you control psoroptidae mites drug-wise? there's 3.
organophosphates, lime-sulfur, ivermectin
how long is the life cycle of o.cynotis (ear mites)?
3 weeks.
what kind of weather is conducive to ear mites?
hot n' humid.
how do you treat a house full of ear mitey animals?
treat them all at the same time with ivermectin
which sex of s. scabiei burrow?
the ladies.
which mites cause the most severe mange in horses?
s. scabiei
in which species can scabies heal without tx?
cattle
what's the most important swine mite?
s. scabiei
where do most scabies mites usually first cause lesions?
head, neck, muzzle, around eyes, you get the picture.
can YOU get scabies from your nasty pet?
yes!
how do you diagnose scabies?
deep skin scraping and microscopic exam for mites/eggs.
who gets the scaly leg mite?
birds!
can bed bugs come from your pet?
no!
should you clean your house when you're trying to get rid of human head lice?
nah.
are the body segments distinct in ticks and mites?
no.
arachnids:

leg pairs for larvae, nymph, adult.
larvae 3 pair

nymph/adult 4 pair
T or F: tick paralysis is reversible.
yep, right after the tick is removed.
T or F: tick paralysis is asymmetrical
false, it's ascending and symmetrical.
two familes of ticks?
1) SOFT = ARGASIDAE

2) HARD = IXODIDAE
T or F: ticks lay their eggs on the ground
TRUE, NEVER on the host.
what is tick egg hatching dependent on?
temperature!
which tick family really digs its head in deep?
hard ticks.
where do hard and soft ticks mate?
soft-off the host, hard-on


ahaaahaha. boner.
soft vs. hard tick for # of hosts?
soft = multi host

hard = 1,2, or 3 host ticks.
which stage of the tick is the primary spreader of lyme disease?
NYMPH NYMPH NYMPH NYMPH NYMPHNYMPH NYMPH NYMPH NYMPH NYMPHNYMPH NYMPH NYMPH NYMPH NYMPHNYMPH NYMPH NYMPH NYMPH NYMPH
which tick is considered a "lair ectoparasite" and lives in cracks n' crannies of a hen house?
a. persicus the "fowl tick"
tick o. coriaceus layman's name and host and where you find it.
pajaroello tick

wild ungulates n' cattle

bedding areas
which tick group gives very painful bites and causes bovine abortions?
ornithodoros
3 big soft ticks we need to know?
a. persicus

ornithodoros spp.

otobius megnini
are there more hard or soft ticks around these parts?
hard.
what are the 5 big hard ticks we have to know about?
R-A-B-I-D!!
R. sanguineus
amblyomma spp
boophilus spp.
ixodes spp.
dermacentor spp.
tick amblyomma americanum layman's name? who get's them?
lone star tick! everyone!
what's one of the few ticks that digs indoors?
r. sanguineus aka "brown dog tick" aka "kennel tick"
how many hosts for the brown dog tick?
3, usually all dogs.
laymans name for tick dermacentor variabilis and how many hosts?
"american dog tick"

3.
laymans name for tick dermacentor albipictus and how many hosts and one notable disease?
"winter tick" or "horse tick"

1 host.

"phantom moose disease"
which tick genus are pretty small and have anal grooves?
ixodes (hard)
whats the scientific and 2 common names for the tick that is the vector for lyme disease?
ixodes scapularis

"blacklegged tick" and "deer tick"

note: in the west = i. pacificus
tell the card how to remove a tick.
forceps, close to skin, slowly without twisting and pull perpendicular. clean the bite site.
name a tick-borne viral disease.
encephalitis.
name 2 tick-borne bacterial diseases
lyme

STARI
name a few tick borne rickettsial diseases.
RMSF (rocky mountain spotted fever), HGE, HME
what kind of bacteria causes lyme disease?
borrelia, a spirochete
what disease does tick dermacentor variabilis give you?
rocky mountain spotted fever.
which disease besides lyme does i. scapularis/pacificus give you?
human granulocytic ehrlichiosis (HGE)
what disease does the lone star tick give you? (besides STARI)
human monocytic ehrlichiosis (HME)
what 2 species can get lyme disease?
humans and dogs
Lyme disease stage 1: what's it look like and how common is it?
bullseye rash.

60-80% of cases.
what's the main sign that a dog has lyme disease?
pain pain pain pain pain.
whats the 2 test approach for lyme disease diagnosis?
screening test: ELISA

confirming test: western blot (gold standard)
how do you treat lyme disease?
doxycycline/amoxicillin for 3-4 weeks.
what's the main habitat for i. scapularis the lyme disease tick?
forested areas with well-drained soils
what host do i. scapularis LARVAE prefer? the nymphs? the adults?
larvae: small rodents
nymphs: dogs, humans, deer
adults: prefer deer
how long is the i. scapularis (lyme) life cycle?
2 years.
when do the i. scapularis (lyme) stages emerge?

-larvae, nymphs, adults.
larvae- summer
nymphs-following spring
adults-fall
what's STARI?
southern tick associated rash illness.

rash like lyme disease. from the lone star tick.
tsetse fly (glossina) causes what disease in cattle? who cares?
nagana. this is such a huge deal in africa, if it was prevented africa would probably not be poor anymore.
what is sterile insect technique (SIT)?
when you flood a population with sterile males that then mate and the eggs are unviable.
fly h. lineatum: larvae and adult layman's name?
cattle grub!

warble fly.
disease caused by cattle grub larvae and adults.
larvae = myiasis

adults = gadding.
laymans name for fly gasterophilus?
horse bot fly.
fly o. ovis layman's name?
sheep nasal bot.
fly simulidae common name and disease caused.
blackfly. river blindness (larvae in your eye!!!!!!!!!)
what bug causes bluetongue in sheep?
culicoides ie gnats
what disease can sandflies transmit?
leishmaniasis.
which mosquito transmits west nile?
c. pipiens.
what are the primary amplifier hosts for west nile?
birds! wetland and terrestrial species.
birds get sucking or chewing lice?
chewing!
mammals get sucking or chewing lice?
sucking!
what type of louse has a long, narrow snout?
sucking!
what time do cattle get lice?
winter!
how many hosts for tick boophilus? what does this mean?
1!

easy to control
what tick transmits cytoxoin felis?
d. variabilis aka the american dog tick.
which tick are bobcats the native host for?
d. variabilis aka the american dog tick
which mites live in a canary's trachea?
sternastoma
where in the skin do demodex mites live?
the hair follicle.
which mite (give both names) is reportable?
psoroptes, the rabbit ear mite.
how long is the life cycle for otodectes, the "main" ear mite
3 weeks.
how do you kill sarcoptes mites? (drug)
revolution.
what are the hosts for knemoidokiptidae mites?
birds! depluming and scaly leg.
what kind of parasites do the tsetse fly transmit?
trypanosomes.
what stage of screw-worms cause myiasis?
larval! feed on tissue.
what stage of the cattle grub (h. lineatum) migrates though the tissue to the esophageal submucosa (overwinters) then migrates to the back?
L1
what stage of cattle grub larvae cuts a hole in the skin an becomes encysted?
L2
what stage of the cattle grub emerges in the early spring?
L3
tell the card the horse bot life cycle.
adult fly lays eggs on hairs for 7-14 days->bots inside horse for 8-10 months from first frost to late spring-> pupal stage on pasture 4-8 wks in early summer-> adult fly emerges middle/late summer
which 2 fly larvae cause facultative myiasis and are used in surgical wound therapies?
bottle (phaenicia)
and
blow (phormia)
how many eggs do human head lice lay? where are they found?
up to 150. behind the ear and neck.
what causes flea eggs to hatch?
vibration.
how do you kill lice in your bed?
hot, soapy water.
tell the card the life cycle of the cat flea.
eggs laid on animal (28-40). FALL OFF and hatch in 2-5 days-->L1,L2,L3-->pupae, fleas emerge 1-2 weeks in environment-->adult, several daily blood meals.
T/F the cat eats 50% of it's fleas
FALSE, it's 90%
how many eggs do fleas lay?
2000! that's 50/day at most.
where does the pneumonyssus mite chill?
dog and monkey LUNGS
what causes chiggers to make you itch?
the digestive enzymes eating your skin. NOT burrowing.
which mites are considered chronic?
psoroptes.
how long is the life cycle of scabies mites?
2 weeks.
What's the feeding pattern of hard vs. soft ticks?
hard: 2 phase (slow->fast). the longer you have it, ^ chance of disease.

soft: feed for short periods.
which tick family has a scutum? wtf is it?
hard

it's a shield.
T/F you can't see a soft tick's head dorsally.
true. you can't.
how many nymphs for hard vs. soft ticks?
hard: 1

soft: 2-8
what dog louse is the intermediate host dor d. caninum?
t. canis the biting louse
once it hatches, how long does the cat flea have to find a host?
10 days.
if you remove a cat flea from the host, how long can it live?
48 hours.
what's the equine vax course for WNV?
2 injections 3-4 weeks apart then an annual spring booster.
what is the brown dog tick a vector for? there's 3 things.
babesiosis
erlichiosis
hepatozoonosis

all canine!