Flies, Lice, Fleas, Mosquitoes, Mites, and Ticks
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| Where does Knemidokoptes mites usually prefer to burrow on birds? | nonfeathered portions such as feet, legs, and face
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| How is Knemidokoptes mites diagnosed? | skin scrape
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| The Scaly leg mite is the common name for what mite? | Knemidokoptes
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| What is the name of the most common dog louse seen in the US and can act as an IH for the tapeworm Dipylidium caninum? | Trichodectes canis
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| Is trichodectes canis an Mallophaga or Anoplura type of lice? | Mallophaga
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| Where is trichodectes canis found on the dog? | eggs are glued to hairs
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| What is the main damage that Hypoderma bovis does to cattle? | migrating larvae make necrotic tracks in muscle tissue and the hide of the cow is damaged for leather production
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| What is the common name for Haematobia irritans? | horn fly
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| What is it about the horn fly, Haematobia irritans, that you would be able to identify it on the cow? | They cluster on the dorsum, back, of cattle and their heads will always be pointing toward the ground.
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| What is the difference in Mallophaga lice and Anoplura lice? | Mallophaga are chewing lice and Anoplura are sucking lice.`
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| The egg stage of lice are called what? | nit
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| Define fomites? | inanimate objects
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| Define pediculosis. | infestation by lice
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| Anoplura lice suck what from the host? | blood
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| The fly that is commonly called the "Black fly" is scientifically named what? | Simulium
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| The nocturnal, tiny sand fly transmits what protozoan zoonotic parasite? | Leishmania
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| What are the scientific names of the sand fly? | Lutzomyia and Phlebotomus
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| If you are at the beach and something constantly keeps biting you it is probably what? | No-See-Ums
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| What species are No-See-Ums in? | Culicoides
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| No-See-Ums serve as IH for what nematode seen in the skin of horses? | Onchocerca cervicalis
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| The mosquito that we come in contact with is most likely from what species? | Culex
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| The Culex species feed on what? | blood
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| Where do Culex species females lay their eggs? | perpendicular to the surface of water
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| The Culex species is the IH for what nematode found in dogs? | Dirofilaria immitis
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| What is the common name for Chrysops species of fly? | deerfly
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| What is the common name for Tabanus species of fly? | horsefly
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| Which species is larger, Chrysops or Tabanus? | Tabanus
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| Deerflies and Horseflies may act as mechanical transmitters of what virus that can affect horses? | EIA-equine infectious anemia
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| If the ears of a german shepherd are raw, bleeding and pruritic which fly could be responsible for this? | Stomoxys calcitrans
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| What is the common name for Stomoxys calcitrans? | Stable fly, biting house fly
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| Stable flies can be a vector for what disease that affects horses? | EIA-equine infectious anemia
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| Why is Haematobia irritans flies commonly called Horn flies? | That is where they like to cluster.
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| Why does the horn fly also like to cluster around the cows shoulders, back and sides? | The tail usually can't swish them off in these areas so they can continue to feed.
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| Which fly causes the greatest loss in cattle by sucking their blood and causing milk reduction and weight reduction? | Haematobia irritans (Horn Fly)
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| Where does Melophagus ovinus deposit their larva? | in the sheeps wool or goats fleece
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| What economical problems can Melophagus ovinus cause? | damage to wool or fleece, anemia
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| The scientific name of the House fly is what? | Musca domestica
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| Why are Musca domestica flies so bad? | They are designed to spread germs!
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| How does the House fly digest its food? | By being a "vomit drop feeder" which means they vomit their stomach contents onto their next meal to digest it.
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| What is the name of the Face fly? | Musca autumnalis
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| Musca autumnalis usually only bother what species? | cattle
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| What does Musca autumnalis feed on? | saliva, tears, and mucus. they will lap up blood from the bite of another fly bite on a cow
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| Musca domestica and what other fly are both known for vomit drop feeding and being a fly that is designed to spread germs? | Sarcophaga or Flesh Fly
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| Define myiasis. | tissue invaded by maggots
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| If a cat lives outside and has an abscess that has ruptured, it is summer time, what is the common called condition that could happen? | fly strike-maggots
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| Does an open wound always have to be present for a fly strike to occur? | No. It can happen in animals that have feces and urine stuck in their hair.
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| This fly has been eradicated from the US but we are always on the lookout for it to re-emerge. How could this happen? | Animals that travel out of the country and come back.
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| The eradicated fly is commonly called the Screwworm fly. What is the scientific name? | Cochliomyia hominivorax
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| What does Cochliomyia hominivorax feed on? | FRESH skin wounds such as incision sites, umbilical cords of newborns, lacerations.
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| If a cat or squirrrel comes in and has a swollen, cystlike SQ hole in it, what could it be? | Cuterebra
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| What is one of the purposes of the hole of the Cuterebra? | for it to be able to breathe
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| What are the hosts for Oestrus ovis? | sheep and goats
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| Where does Oestrus ovis lay their larvae? | nares (nose)
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| What is the most common flea found on dogs and cats? | Ctenocephalides felis
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| What do fleas eat? | blood from the host
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| What are the four stages of the flea life cycle in order? | adult, egg, larval, and pupal
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| How long does it take for flea eggs to hatch? | 2 weeks
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| When the eggs hatch what do the larvae eat? | dead skin, dead hair, flea feces
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| How long can the pupal stage of the flea last? | months
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| What makes the pupal stage emerge from the coccoon? | air pressure, vibrations, warmth due to a warm blooded host
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| What is flea dirt? | excreted digested blood/feces from the flea
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| Where are Sarcoptidae mites found on an animal? | within the epidermis
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| Where are Psoroptidae mites found on an animal? | on the surface of the skin or within the external ear canal
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| Define acariasis. | infestation of domestic animals by either mites or ticks
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| How does a dog or person become infested with sarcoptes scabei? | direct contact with an animal that is infected
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| What are the usual areas that become scaly, crusty, and raw when an animal is infected with Sarcoptes scabei? | ears, lateral elbows, ventral abdomen
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| How is Sarcoptes scabei diagnosed? | skin scraping
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| When I say "dried cornflakes cereal" what parasite comes to mind? | Psoroptes cuniculi
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| Where is Psoroptes cuniculi usually found on a rabbit? | ears
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| What is the scientific name of the ear mite in dogs and cats? | Otodectes cynotis
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| How can Otodectes cynotis be diagnosed? | by using an otoscope and looking in external ear canal for the mites or take a sample of exudate from ear canal and break it up in a small amount of mineral oil and look for the adults or eggs on 10x
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| Is Otodectes cynotis contagious? | yes from animal to animal but not to humans
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| What is the scientific name for Red Mange? | Demodectic mange mites
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| Where do demodex mites live? | hair follicles and sebaceous glands
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| How is demodex diagnosed? | skin scrape
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| What two forms of demodex are seen in veterinary medicine? | localized and generalized
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| What does localized demodex look like? | patchy alopecia-just a few hairless areas
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| What does generalized demodex look like? | diffuse alopecia, erythema, and secondary bacterial contamination over the entire body.
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| How do dogs become infested with demodex? | because of poor immune system these dogs cannot fight off the infestation
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| If a dog comes in and is itching really badly and you perform a physical exam. You notice on the skin an orangy-red area of crustiness. What could the parasite be that is causing the dermatosis? | Trombicula
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| What is the common name for Trombicula? | chiggers or red bugs
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| On the anterior end of this fur mite there are enormous hooklike mouthparts. What is this parasite? | Cheyletiella parasitivorax
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| What is the common name for cheyletiella parasitivorax? | walking dandruff
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| How can walking dandruff be diagnosed? | by observing with a magnifying lens the mites moving around on the dorsal midline and head of host
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| What two families of ticks are of importance in veterinary medicine? | argasid and ixodid
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| What is a seed tick? | six-legged larvae
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| What part of the tick causes tick paralyzes? | salivary secretions of some female ticks
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| Infestation of mites or ticks is called what? | acariasis
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| Is Otobius megnini a soft tick or hard tick? | soft (argasid)
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| Where is Otobius megnini usually found on the host? | external ear canal
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| What is the common name for Otobius megnini? | Spinose ear tick
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| Argas persicus is found in what species? | avians
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| What is the common name for Argas persicus? | Fowl tick
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| When do Argas persicus feed on birds? | nighttime
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| where do Argas persicus stay during the day? | In cracks and crevices of bird roost building
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| Which tick is the vector for spreading Lyme disease to humans? | Ixodes scapularis
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| What disease does the Rhipicephalus sanguineus tick transmit to dogs? | babesia canis
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| What is the common name for Rhipicephalus sanguineus? | brown dog tick
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| The Dermacentor variablilis and Dermacenter andersoni can serve as a vector for what disease? | Rocky Mountain spotted fever
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| What physical feature makes Amblyomma Americanum distinguishable from other ticks? | white spot on the apex of scutum
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| What is the common name for Amblyomma Americanum? | lone star tick
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| What is the scientific name of the Gulf Coast tick? | Amblyomma maculatum
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| What does pentastome mean? | five mouths
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| Since Linguatula serrata live in the nasal passages and sinuses of dogs what signs of infection can be seen with this pentastome? | sneezing, difficulty breathing, restlessness, can't smell well, rhinitis, nose bleeding, nasal discharge
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| How does a dog become infected with Linguatula serrata? | By eating an IH-cat, rat, porcupine, guinea pig, rabbit, hedgehogs, pig or ruminant
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| How is Linguatula serrata diagnosed? | fecal flotation or nasal swabs
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| What is the common name for Gaterophilus? | bot flies
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| What activates the nits on the legs of horses to hatch? | horse licks itself so their tongue and saliva stimulate the larvae to hatch
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| Adult female Gasterophilus flies lay eggs on what areas of the horse? | fetlocks of forelegs, chin, shoulders
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| Gasterophilus migrate from the oral cavity to where? | cardiac portion of stomach
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| How long does Gasterophilus stay attached to the stomach? | 10-12 months
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