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What species of chewing lice infest cattle, horses, sheep and goats?
Damalinia spp.
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What species of chewing lice infests dogs and may serve as an intermediate host for Dipylidium caninum?
Trichodectes canis
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What is the chewing louse of cats?
Felicola subrostratus
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What chewing lice are known to infest guinea pigs?
- Gliricola porcelli
- Gyropus ovalis
- Trimenopon hispidum
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What can heavy infections of lice in guinea pigs cause?
- Pruritis
- Scaling
- Alopecia
- "epileptiform-like" seizures
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What are the chewing lice that infest birds?
- Menopon spp.
- Goniocotes spp.
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What are some direct diseases associated with lice?
- Anemia
- Pediculosis (more common in winter)
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What are some organisms that can be transmitted by lice?
- Dipylidium caninum (Trichodectes canis)
- Swine pox (Haematopinus suis)
- Epidemic typhus - Rickettsia (Pediculus humanus humanus)
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What insects have two pairs of wings, a triangular shield b/t the wing bases, four segmented antennae, and a three-segmented beak?
Hemipterans (true bugs)
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What bug is known as the "kissing bug" and is an intermediate host to Chagas disease (T. cruzi)?
- Rhodnius spp.
- Panstrongylus spp.
- Triatoma spp.
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What bug feeds on human blood, is suspected in the transmission of 41 human diseases, and is known as the "bed bug"?
Cimex spp.
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What bugs occur almost exclusively in the lungs, trachea, and nasal passages and has a mouth surrounded by 4 hooks?
Pentastomes
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Pentastomes usually infest what animals?
Reptiles
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What are the intermediate hosts for pentastomes?
- Rodents
- Herbivores
- Carnivores
- Primates
- Humans
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What part of the body can you find pentastomes in the intermediate host?
- Mesenteric lymph nodes
- Liver
- Lungs
- Omentum
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What pentastome is found in the nasal and paranasal sinuses of dogs, wild canids, and cats?
Linguatula serrata
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What two structures make up the mouthparts of the tick?
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What two parts of the tick make up the capitulum?
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What organisms do ticks serve as intermediate host for?
- Babesia
- Cytauxzoon
- Hepatozoon
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What organisms do ticks serve as biological vectors for?
- Rickettsiae
- E. chaffenensis
- Francisella tularensis
- Borrelia burgdorferi
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Which ticks are known to cause tick paralysis?
- Dermacentor andersoni
- Dermacentor variabilis
- Amblyomma americanum
- Amblyomma maculatum
- Ixodes pacificus
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What tick is known to cause tick paralysis in Australia?
Ixodes holocyclus
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Infestation of what tick larvae can cause flaccid paralysis of young chickens?
Argas persicus
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Which ticks have a scutum?
Ixodid (hard)
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What are the 4 developmental stages of a tick lifecycle?
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What genus of ticks has an anal groove that distinctly curves around the anus anteriorly, is inornate, festoons are absent, and is a three host tick?
Ixodes spp.
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What tick can transmit Borrelia burgdorferi (Lyme disease) and Anaplasma phagocytophilum and is known as the "black-legged tick"?
Ixodes scapularis
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What type of transmission involves a larval tick acquiring a disease and carrying it through each molt?
Interstadial transmission
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What type of transmission occurs when the disease organism is passed from adult female to her larvae?
Transovarian transmission
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What kind of tick transmission occurs in ticks infested with Babesia?
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What ticks transmit Babesia?
- Rhipicephalus (bovine)
- Dermacentor (equine)
- Ixodes (humans)
- Rhipicephalus, Amblyomma (dog)
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How is Babesia diagnosed?
- Intraerythrocytic piroplasms in blood
- Histopath sections
- Serology
- ELISA
- PCR
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What genus of ticks have festoons, are ornate, have white color on the scutum, and the basis capitulum is rectangular?
Dermacentor spp.
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What tick is known as the "American dog tick" and is a 3 host tick?
Dermacentor variabilis
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What ticks act as intermediate host for Cytauxzoon felis?
- Dermacentor andersoni
- Dermacentor variabilis
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What tick genus has festoons, is inornate, has a hexagonal basis capituli, is a 3 host tick and can complete it's lifecycle indoors?
Rhipicephalus spp.
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What tick genus is ornate, has festoons, the mouthparts are much longer than the basis capituli, and it is a 3 host tick?
Amblyomma spp.
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What ticks can transmit Heartwater disease?
Amblyomma spp.
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How do dogs acquire Hepatozoon infestation?
Ingesting a tick infested with Hepatozoon americanum or Hepatazoon canis
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What tick genus are considered soft ticks?
- Argas spp.
- Ornithodoros spp.
- Otobius spp.
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What animals act as hosts to the tick genus Argas?
- Chickens
- Turkeys
- Wild birds
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What animals act as hosts to the tick genus Ornithodoros?
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What soft tick is found in the ear canal of cattle, horses, sheep, dogs, and some wild animals, adults do not feed, they are a one host tick, and are known as the "Spinose Ear Tick"?
Otobius megnini
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What are some clinical signs of horses infested with Otobius megnini?
- Muscle cramping
- Pain similar to colic
- Muscle tremors
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What bloodsucking mites parasitize birds?
- Dermanyssus gallinae
- Ornithonyssus sylviarum
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Which bloodsucking mite of the bird hides in the nests and attacks the birds at night?
Dermanyssus gallinae
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Which bloodsucking mite of the bird remains on the host much of the time?
Ornithonyssus sylviarum
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What mite is bloodsucking mesostigmatid mite of reptiles?
Ophionyssus natricis
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What method is used for detecting mites in cage litter?
Berlese technique
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What mite is found in the nasal and paranasal sinuses of dogs and is transmitted by direct transfer?
Pneumonyssoides caninum
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What mite is found in the respiratory passages of canaries, finches and other domestic birds?
Sternostoma tracheacolum
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How are Sternostoma tracheacolum mite infestation in birds diagnosed?
Transilluminating trachea with strong light
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What mite affects dogs, ferrets, wild canids, cattle and is a reportable disease in all large animals except swine?
Sarcoptes scabiei
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What mite of the guinea pig can cause vigorous scratching of the skin and possible seizures?
Trixacarus caviae
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What zoonotic mite infests cats, rats, rabbits, foxes, and squirrels?
Notoedres spp.
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What mite is the cause of "scaly leg" in chickens, turkeys, pheasants, and other gallinaceous birds?
Knemidokoptes mutans
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What mite is the cause of a very serious form of "scab" mange in cattle, sheep, and horses?
Psoroptes ovis
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What mite is found on the external ear canal of rabbits?
Psoroptes cuniculi
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What superficially dwelling mite is found on cattle, sheep, horses, goats, hedgehogs, alpacas, llamas, and in the ear canal of rabbits?
Chorioptes bovis
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What mite infests the external ear canal and adjacent skin of dogs, foxes, cats and ferrets?
Otodectes spp.
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What is the hair (fur) clasping mite of cats in Florida?
Lynxacarus radovsky
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What genus of mites live in the hair follicles and sebaceous glands of mammals?
Demodex spp.
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What dogs show clinical signs of a Demodex canis infestation?
Young dogs
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What are the two types of generalized demodicosis in dogs?
-
What animals are affected by Cheyletiella spp. (Walking dandruff)?
- Dogs (C. yasguri)
- Cats (C. blakei)
- Rabbits (C. parasitovorax)
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What mites are in the family Trombiculidae (Chiggers)?
- Neotrombicula autumnalis
- Walbachia americana
- (larvae are parasitic)
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