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Ectoparasites1
| Question | Answer |
|---|---|
| What is the definition of an ectoparasite? | A parasite that lives outside the host |
| When they have an ectoparasite do we refer to it as a infestation or infection? | Infestation, infection is how we refer to an internal parasite |
| What 2 parasites are we looking for on a skin scraping? | Demodex and Sarcabies |
| What are reduvid bugs also known as? | Kissing bugs |
| What is a periodic feeder? | Means they return to the wound multiple times to feed |
| What are reduvid bugs an intermediate host for? | T. cruzi |
| What are the 2 "true bugs?" | Reduvid bugs and bed bugs |
| What is the scientific name of the chewing or biting lice? | Mallophagia |
| What is the scientific name of the sucking lice? | Anoplura |
| What is pediculosis? | Lice infestation |
| What is the egg stage of lice called? | Egg or nit |
| Are lice species specific? | Yes |
| Can lice cause death? | Yes if they have a severe enough infestation it will cause an anemia and then death |
| What insects are classified as Dipterans? | Flies |
| What is the common name for the genus Simulium? | Black flies |
| What is the common name for the genus Lutzomyian and what do they resemble? | New World Sand Fly moths |
| What is the common name of Culicodies? | Gnats |
| What can gnats transmit? | Blue tongue |
| What are mosquitoes intermediate hosts for? | Heartworms |
| What are mosquitoes vectors of? | Malaria, yellow fever, elephantitis |
| What is the common name for Hippelaties? | Dog Penis Gnats |
| What is the common name for Chrysops spp? | Deer fly |
| What is the common name for Tabanus spp? | Horse fly |
| What is the largest Dipteran? | Horse fly |
| Why does a horse fly's bite hurt so bad? | They have reciprocating scissor like mouthparts |
| What do horse flies and deer flies transmit? | Anthrax, anaplasmosis, and EIA |
| What is the common name for Stomoxys calcitrans? | Stable fly |
| What is the common name for Haemotobia irritans? | Horn fly |
| What fly causes midline dermatitis? | Horn fly during hot weather, they stay on the abdomen of the cattle |
| What is the common name of Malophagus ovinus? | Sheep Ked |
| Why are sheep ked so detrimental to the sheep industry? | Causes the sheep to itch and scrape off wool and then the feces of the sheep ked will stain the wool |
| What is the common name for Musca autumnalis? | Face fly |
| What bacteria do the face flies transmit and what does it cause in cattle? | Morexella bovis, pink eye |
| What is myiasis? | Maggots |
| What is fly strike? | Areas of skin that have damage from chronic fly bites, ie the tips of dogs ears |
| What is the common name for Musca domestica? | House fly |
| What is the common name for Sarcophagia? | Flesh fly |
| What is the common name of Cochilomyia hominivorax? | Screw worm |
| What is the life cycle of a screwworm? | Female attracted to fresh skin wound, lays eggs in shingle like form, hatch within 24hrs, larvae enter the wound, eat for 4-7 days, develop into 3rd stage larvae, bore down into tissues, fully mature drop to ground, pupate for a week, adult flies emerge. |
| What is another name for Cuterebra? | Wolf Warble |
| What is a common animal to see Cuterebras in? | Rabbits |
| How do animals get Cuterebras? | Adult lays eggs around rabbit hole, stick head in, eggs stick to fur, larvae hatch out, go down hair shaft, burrow into skin, eat, fall out as pupae, hatch as adults |
| What is the common name for Hypoderma spp? | Heel flies |
| What is the difference between H. bovis and H. lineatum? | H. bovis live in the sQ tissue of the back and H. lineatum lives in the stomach of cattle |
| What is the common name for C. felis? | fleas |
| Make sure to know flea lifecycle and how to treat a pt and house that has fleas. | :) |
| What stage of fleas is impossible to kill? | Pupae |
| Which form of mites burrows into the skin? | Scabies (Sarcoptic mange) |
| Which form of mites is easy to diagnose but hard to treat? | Demodex |
| Which form of mites is hard to diagnose but easy to treat? | Scabies |
| Which form of mite lives in the hair follicles and sebaceous glands? | Demodex |
| What are the 2 types of Demodex? | Localized and generalized |
| What is the most common medication for treating Demodex or Scabies? | Ivermectin |
| Which form of mange is zoonotic but self limiting? | Scabies |
| What is the common name for Notodres cati? | Cat scabies |
| What is the common name of Psoroptes cuniculi? | Cornflake ear |
| What is the common name of Otodectes cyanotis? | EAr mites |
| What animal is most commonly infested with ear mites? | cats |
| What is the common name of Chyletiella? | Walking dandruff |
| Why do chiggers make you so itchy? | Digestive enzymes that melt your cells |
| What is the common name of Rhipicephalus sanguineus? | Brown Dog Tick |
| What is the common name of Dermacentor variabilis? | American Dog Tick |
| What is the common name of Amblyomma americanum? | Lone Star Tick |
| What is the common name of Boophilus annulatus? | Texas cattle fever tick |
| What are 4 tick transmitted dz? | Rocky Mountain Spotted Fever, Ehrlichia, Anaplasmosis, Lyme |
| What is Boophilus annulatus a transmitter of? | Babesia |
Created by:
lsondermann
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