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162 Cards in this Set
- Front
- Back
do lice have wings? how are they flattened?
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no! flattened dorsal/ventral
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how do lice eggs interact with hair/feathers?
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they're cemented
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what lice stages occur on the host?
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all
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when throughout the year do lice reproduce?
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year round
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which lice are the "chewing lice"?
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mallophagia
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which animals are chewing lice found on? are they harmful?
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birds (not blood feeders). not harmful.
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how do you generally ID chewing lice (mallophagia)?
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head wider than prothorax.
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which lice are "sucking lice" and where do they live?
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anoplura; mammals
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which lice have piercing mouthparts, are disease vectors and have anesthetic saliva?
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sucking lice (anoplura)
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how do you kill chewing lice? 2 drugs.
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permethrins, carbaryl.
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how do you control cattle lice drug-wise?
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ivermectin.
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2 drugs to control sheep/goat lice.
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permethrin, malathion.
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2 drugs to control horse lice.
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permethrin, malathion
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L. Setosus laymans name?
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dog sucking lice!
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t. canis laymans name?
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dog biting lice@
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3 drugs to control dog lice?
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carbaryl, advantage, frontline
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louse f. subrostratus laymans name?
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cat lice!
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can lice spread in clean conditions?
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yes.
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are all HEAD lice blood suckers?
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yes.
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how long do adult head lice live on the host, and how long off the host?
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3 weeks on.....can't survive off!
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p. humanus capitis
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head louse
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p. humanus humanus
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body louse
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can your pet get your nasty head lice?
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no.
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can you get lice from your nasty pets?
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no.
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what's so different about the cat flea?
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it stays on the host the whole time! if you ever take it off it will die within 2 days.
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how do cat fleas survive in the winter?
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they live off of wildlife.
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how do you kill all stages of the flea?
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freezing.
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how long is the flea life cycle in the midwest and in hotter climates.
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28 days...shorter where it's hotter.
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what do flea larvae eat?
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the adult's dookie.
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how long does the flea pupa last?
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1-2 weeks
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what 3 things does the cat flea need to hatch?
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heat, CO2 and vibration (vacuum!!!!!!)
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how long can the cat flea live without a host?
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10 days.
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what type of mites cause scabies usually?
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sarcoptes
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where does the mite pneumonyssus live in dogs?
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nasal sinuses.
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which mite can remain for 6 months after the host leaves? who cares?
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d. gallinae aka chicken/roost/red mite. you need to treat the building as well as the birds!
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what mite looks like red dots on white objects?
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d. gallinae chicken mite.
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is the chicken mite zoonotic?
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YES. severe dermatitis in humans.
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treatment for chicken mite?
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carbaryl.
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o. bacoti laymans name and hosts.
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tropical rat mite. lab, school and caged house pets!
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cheyletiella mites laymans name? what's a little different about it?
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fur mites or "walking dandruff mite". doesn't burrow
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which mites would you see brushed onto a table or via crusty ringworm-like lesions on a cat?
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cheyletiella aka the walking dandruff mite.
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2 ways to control p. ovis aka the sheep itch mite?
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lim-sulfur dip or ivermectin.
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which mite has an unusual cigar shape?
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demodex!
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do demodex mites move between hosts?
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no! each host has it's own.
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which mites can give puppies or immunodeficient dogs red mange?
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demodex.
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what is often concurrent with demodex mites?
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an underlying illness.
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is it ok to breed a dog that has had demodecosis?
(that's demodex mites, slick) |
no!! susceptibility is heritable.
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how do you diagnose demodex?
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deep skin scraping whilst squeezing or maybe a fecal float.
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which chigger life stages are parasitic? do they burrow?
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just the larvae. no burrowing.
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how do you control the turkey chigger?
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confine, shade, malathion.
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what do chorioptes mites cause?
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"leg mange" or "barn itch"
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"leg mange"
-result? -time of year? -what NOT to treat with? |
maybe decreased milk.
winter! NO ivermectin! |
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mite psoroptes causes what in horses?
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sarcoptic-ish mange in horses.
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what mite causes sheep scab?
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psoroptes.
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what mite causes problems in pretty much every large animal?
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psoroptes.
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do psoroptes mites burrow?
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nope, they puncture the epidermis and corium.
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how do you control psoroptidae mites drug-wise? there's 3.
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organophosphates, lime-sulfur, ivermectin
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how long is the life cycle of o.cynotis (ear mites)?
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3 weeks.
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what kind of weather is conducive to ear mites?
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hot n' humid.
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how do you treat a house full of ear mitey animals?
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treat them all at the same time with ivermectin
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which sex of s. scabiei burrow?
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the ladies.
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which mites cause the most severe mange in horses?
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s. scabiei
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in which species can scabies heal without tx?
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cattle
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what's the most important swine mite?
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s. scabiei
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where do most scabies mites usually first cause lesions?
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head, neck, muzzle, around eyes, you get the picture.
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can YOU get scabies from your nasty pet?
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yes!
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how do you diagnose scabies?
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deep skin scraping and microscopic exam for mites/eggs.
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who gets the scaly leg mite?
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birds!
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can bed bugs come from your pet?
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no!
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should you clean your house when you're trying to get rid of human head lice?
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nah.
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are the body segments distinct in ticks and mites?
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no.
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arachnids:
leg pairs for larvae, nymph, adult. |
larvae 3 pair
nymph/adult 4 pair |
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T or F: tick paralysis is reversible.
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yep, right after the tick is removed.
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T or F: tick paralysis is asymmetrical
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false, it's ascending and symmetrical.
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two familes of ticks?
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1) SOFT = ARGASIDAE
2) HARD = IXODIDAE |
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T or F: ticks lay their eggs on the ground
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TRUE, NEVER on the host.
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what is tick egg hatching dependent on?
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temperature!
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which tick family really digs its head in deep?
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hard ticks.
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where do hard and soft ticks mate?
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soft-off the host, hard-on
ahaaahaha. boner. |
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soft vs. hard tick for # of hosts?
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soft = multi host
hard = 1,2, or 3 host ticks. |
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which stage of the tick is the primary spreader of lyme disease?
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NYMPH NYMPH NYMPH NYMPH NYMPHNYMPH NYMPH NYMPH NYMPH NYMPHNYMPH NYMPH NYMPH NYMPH NYMPHNYMPH NYMPH NYMPH NYMPH NYMPH
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which tick is considered a "lair ectoparasite" and lives in cracks n' crannies of a hen house?
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a. persicus the "fowl tick"
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tick o. coriaceus layman's name and host and where you find it.
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pajaroello tick
wild ungulates n' cattle bedding areas |
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which tick group gives very painful bites and causes bovine abortions?
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ornithodoros
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3 big soft ticks we need to know?
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a. persicus
ornithodoros spp. otobius megnini |
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are there more hard or soft ticks around these parts?
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hard.
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what are the 5 big hard ticks we have to know about?
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R-A-B-I-D!!
R. sanguineus amblyomma spp boophilus spp. ixodes spp. dermacentor spp. |
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tick amblyomma americanum layman's name? who get's them?
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lone star tick! everyone!
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what's one of the few ticks that digs indoors?
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r. sanguineus aka "brown dog tick" aka "kennel tick"
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how many hosts for the brown dog tick?
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3, usually all dogs.
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laymans name for tick dermacentor variabilis and how many hosts?
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"american dog tick"
3. |
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laymans name for tick dermacentor albipictus and how many hosts and one notable disease?
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"winter tick" or "horse tick"
1 host. "phantom moose disease" |
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which tick genus are pretty small and have anal grooves?
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ixodes (hard)
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whats the scientific and 2 common names for the tick that is the vector for lyme disease?
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ixodes scapularis
"blacklegged tick" and "deer tick" note: in the west = i. pacificus |
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tell the card how to remove a tick.
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forceps, close to skin, slowly without twisting and pull perpendicular. clean the bite site.
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name a tick-borne viral disease.
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encephalitis.
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name 2 tick-borne bacterial diseases
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lyme
STARI |
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name a few tick borne rickettsial diseases.
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RMSF (rocky mountain spotted fever), HGE, HME
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what kind of bacteria causes lyme disease?
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borrelia, a spirochete
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what disease does tick dermacentor variabilis give you?
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rocky mountain spotted fever.
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which disease besides lyme does i. scapularis/pacificus give you?
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human granulocytic ehrlichiosis (HGE)
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what disease does the lone star tick give you? (besides STARI)
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human monocytic ehrlichiosis (HME)
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what 2 species can get lyme disease?
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humans and dogs
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Lyme disease stage 1: what's it look like and how common is it?
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bullseye rash.
60-80% of cases. |
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what's the main sign that a dog has lyme disease?
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pain pain pain pain pain.
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whats the 2 test approach for lyme disease diagnosis?
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screening test: ELISA
confirming test: western blot (gold standard) |
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how do you treat lyme disease?
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doxycycline/amoxicillin for 3-4 weeks.
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what's the main habitat for i. scapularis the lyme disease tick?
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forested areas with well-drained soils
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what host do i. scapularis LARVAE prefer? the nymphs? the adults?
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larvae: small rodents
nymphs: dogs, humans, deer adults: prefer deer |
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how long is the i. scapularis (lyme) life cycle?
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2 years.
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when do the i. scapularis (lyme) stages emerge?
-larvae, nymphs, adults. |
larvae- summer
nymphs-following spring adults-fall |
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what's STARI?
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southern tick associated rash illness.
rash like lyme disease. from the lone star tick. |
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tsetse fly (glossina) causes what disease in cattle? who cares?
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nagana. this is such a huge deal in africa, if it was prevented africa would probably not be poor anymore.
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what is sterile insect technique (SIT)?
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when you flood a population with sterile males that then mate and the eggs are unviable.
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fly h. lineatum: larvae and adult layman's name?
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cattle grub!
warble fly. |
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disease caused by cattle grub larvae and adults.
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larvae = myiasis
adults = gadding. |
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laymans name for fly gasterophilus?
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horse bot fly.
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fly o. ovis layman's name?
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sheep nasal bot.
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fly simulidae common name and disease caused.
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blackfly. river blindness (larvae in your eye!!!!!!!!!)
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what bug causes bluetongue in sheep?
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culicoides ie gnats
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what disease can sandflies transmit?
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leishmaniasis.
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which mosquito transmits west nile?
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c. pipiens.
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what are the primary amplifier hosts for west nile?
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birds! wetland and terrestrial species.
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birds get sucking or chewing lice?
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chewing!
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mammals get sucking or chewing lice?
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sucking!
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what type of louse has a long, narrow snout?
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sucking!
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what time do cattle get lice?
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winter!
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how many hosts for tick boophilus? what does this mean?
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1!
easy to control |
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what tick transmits cytoxoin felis?
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d. variabilis aka the american dog tick.
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which tick are bobcats the native host for?
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d. variabilis aka the american dog tick
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which mites live in a canary's trachea?
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sternastoma
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where in the skin do demodex mites live?
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the hair follicle.
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which mite (give both names) is reportable?
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psoroptes, the rabbit ear mite.
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how long is the life cycle for otodectes, the "main" ear mite
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3 weeks.
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how do you kill sarcoptes mites? (drug)
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revolution.
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what are the hosts for knemoidokiptidae mites?
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birds! depluming and scaly leg.
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what kind of parasites do the tsetse fly transmit?
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trypanosomes.
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what stage of screw-worms cause myiasis?
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larval! feed on tissue.
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what stage of the cattle grub (h. lineatum) migrates though the tissue to the esophageal submucosa (overwinters) then migrates to the back?
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L1
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what stage of cattle grub larvae cuts a hole in the skin an becomes encysted?
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L2
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what stage of the cattle grub emerges in the early spring?
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L3
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tell the card the horse bot life cycle.
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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
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which 2 fly larvae cause facultative myiasis and are used in surgical wound therapies?
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bottle (phaenicia)
and blow (phormia) |
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how many eggs do human head lice lay? where are they found?
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up to 150. behind the ear and neck.
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what causes flea eggs to hatch?
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vibration.
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how do you kill lice in your bed?
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hot, soapy water.
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tell the card the life cycle of the cat flea.
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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.
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T/F the cat eats 50% of it's fleas
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FALSE, it's 90%
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how many eggs do fleas lay?
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2000! that's 50/day at most.
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where does the pneumonyssus mite chill?
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dog and monkey LUNGS
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what causes chiggers to make you itch?
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the digestive enzymes eating your skin. NOT burrowing.
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which mites are considered chronic?
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psoroptes.
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how long is the life cycle of scabies mites?
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2 weeks.
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What's the feeding pattern of hard vs. soft ticks?
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hard: 2 phase (slow->fast). the longer you have it, ^ chance of disease.
soft: feed for short periods. |
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which tick family has a scutum? wtf is it?
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hard
it's a shield. |
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T/F you can't see a soft tick's head dorsally.
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true. you can't.
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how many nymphs for hard vs. soft ticks?
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hard: 1
soft: 2-8 |
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what dog louse is the intermediate host dor d. caninum?
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t. canis the biting louse
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once it hatches, how long does the cat flea have to find a host?
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10 days.
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if you remove a cat flea from the host, how long can it live?
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48 hours.
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what's the equine vax course for WNV?
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2 injections 3-4 weeks apart then an annual spring booster.
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what is the brown dog tick a vector for? there's 3 things.
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babesiosis
erlichiosis hepatozoonosis all canine! |