Parasitology - External mites

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  1. What is the taxonomy for mites
    Suborder: (3)
    • Arachnida
    • Acarina
    • Mesostigmata
    • Astigmata
    • Prostigmata
  2. term for breathing pore
  3. What is the suborder specific Family for the mites of birds and non-companion beast
    • Mesostigmata
    • Railletidae
  4. How many species of mites are there world wide
  5. How many species of mosquitoes are there
  6. How many species of mites are recognized as being the cause of health related problems in man and animals
  7. What 3 mites are under the family Railletidae going by the descriptions below
    harmless in ear of cattle
    Lungs of monkey
    nasal and paranasal sinuses of dogs
    most common mite of birds
    Rodents, snakes, and birds
    • Raillietia auris
    • Pneumonyssus simicola
    • Pneumonyssus caninum
    • Dermanyssus gallinae
    • Ornithonyssus species
  8. This mite can survive for extended periods of time in birds nest and chicken houses. Said to migrate into houses and feed on humans
    Dermanysusus gallinae
  9. This mite is found on rodents, snakes, and birds and if left on the host can cause zoonotic issues
    Ornithonyssus species
  10. What two things are need for a disease to be considered a 'reportable disease'
    • transmissible for animal to man and from man to animal
    • effect the economy
  11. this suborder has no traditional respiratory pore and includes mange mites, clasping hair mites, and grain mites
  12. All mites are considered mange mites from what two families
    • Psoroptidae
    • Sarcoptidae
  13. What are two ways that mange mites are identified
    • host and distribution of lesions
    • characteristic of jointed or unjointed legs
  14. What are the 3 layers of tissue that female sarcoptic mites burrow into
    • stratum corneum
    • stratum lucidum
    • upper malpighian
  15. What is the ratio for dogs that will test positive for both sarcoptic and demodectic mange
    1 in 50
  16. What are the family for sarcoptes mites and the genus's based on theses species
    • Sarcoptidae
    • Sarcptes
    • Notoedres
  17. Where are the 2 main lesion locations for Sarcoptes in dogs, swine, horses, cattle and man
    • margin of ears
    • elbow
  18. what is considered the definitive host for Sarcoptes
  19. Where are the 3 main lesion locations for Notoedres in cats, rats, rabbits, and man
    • margin of ears
    • head
    • paws
  20. the dog is considered the definitive host for Sarcoptes but what 4 other species can be infected as well
    • swine
    • horse
    • cattle
    • man
  21. the cat is considered the definitive host for Notodedres but what 3 other species can be infected as well
    • rat
    • rabbit
    • man
  22. This family is under the Astigmata, what is the family and what are the genus's based on the species
    sheep, cattle, horses and rabbits
    horse, cattle, sheep and goats
    dogs, cats and pocket pets
    • Psoroptidae
    • Psoroptes
    • Choriptes
    • Otodectes
  23. out of all the genus's for Psoroptidae with one is considered reportable
  24. what is considered the most common mage mite of ominivores and carnivores
    Otodectes cynotis
  25. How many days does it take for Otodectes cynotis eggs to hatch
    • 21 days (3 weeks)
    • this is why we treat once a week for 3 weeks
  26. What is the drug used to treat for Otodectes cynotis, this only has to be administered once as an otic suspension
    Acarexx (0.01% Ivermectin)
  27. What is the taxonomy for Demodex
    • Prostigmata
    • Chyletoidea
    • Demodicidae
  28. What are the demodex mites for
    Cats (2)
    • Demodex canis
    • Demodix cati, Demodex gatoi
  29. What are the two forms of Demodicosis
    • localized demoidicosis
    • generalized demodicosis
  30. Demodecosis lesions found in one area
    localized demodicosis
  31. Demodecosis lesions found all over the body
    generalized demodicosis
  32. What are the two ages and terms for them, that Demodecosis is commonly seen in
    • Juvenile onset demodecosis (3 - 12 months)
    • Adult onset demodecosis (2 - 4 years)
  33. What is the cause of Sarcoptic mange
  34. What is the cause of demodecosis
    • immunosupression
    • mite
  35. what is the percent range for animals with generalized demodicosis under one year that will spontaneously recover without intervention
    30 - 50 %
  36. what is the nickname for demodex mange
    red mange
  37. what is the bacteria often seen with demodecosis infections
    staphylococcus bacteria
  38. what are the two causes for hair loss on/around the face
    • Ringworm (Microsporum canis)
    • Demodex
  39. What type of drugs are considered contraindicated for the treatment of Demodecosis
  40. In a study what where 5 causes and their percentage rates for associations for demodecosis in adults
    • 32% corticosteroid administration
    • 20% hypothyroidism
    • 12 % cytotoxic drugs (cancer treatment drugs)
    • 8 % hyperadrenocortism ( Cusing's syndrome)
    • Spleenectomy
  41. Demodex is considered this kind of issue in regards to parents and offspring
    inherited problem
  42. What are the 4 developmental stages for Demodex canis and how many legs do they have
    • egg
    • larvae (3 legs)
    • pupae ( 4 legs)
    • adult ( 4 legs)
  43. What is the treatment of choice for Demodicosis
    Mitaban (Amitraz) made by Zoetis
  44. What are 4 drugs used to treat demodicosis (proprietary name, non proprietary name, made by)
    • Mitaban (Amitraz) Zoetis
    • Interceptor (Milbemycin oxime) Novartis
    • Ivomec 1% (Ivermectin) Merial
    • Program (Lufenuron) Novartis
  45. what are 7 reasons that demodicosis treatments fail or relapse
    • premature suspension of treatment
    • failure to treat bacterial skin infections
    • stress with environment and family
    • heat cycle
    • Iatrogenically induced glucocoritcoids/corticosteriodis
    • Underlying concurrent disease
    • Idiopathic problems with the patient
  46. What was an early treatment for Demodicosis that could only be placed on 1/3 of the dog at a time
    • Scotts solution
    • developed by Dr. Danny Scott
  47. What where the two things that made up 'Scott's Solution'
    • 5 parts propylene glycol (stimulate immune system)
    • 1 part ectoral (organophospahte)
  48. How many species of demodex does the cat have
    • D. cati
    • D. gatoi
    • the last one doesn't have a name
  49. What are the genus and species of demodex in these animals
    • Demodex bovis - pus nodules on the head
    • Demodex ovis - lesions on the eyelids
    • Demodex caprae - lesions/pustules all over body
    • Demodex phyllodides - around eyes and snout
    • Demodex equi - hair loss starts on the head
  50. This family of mite means 'Big claw'
  51. What are the three type belonging to the Family Cheyletiellidae
    domestic rabbits
    • Cheyletiella yasguri
    • Cheyletiella blakei
    • Cheyletiella parasitivorax
  52. What mite has the nick name 'Walking dandruff'
    Cheyletiella yasguri
  53. What mite has the nickname 'sheep itch mite'
    Psorobis ovis
  54. What mite has the nickname 'dog itch mite'
    Sarcoptes scabei
  55. what mite has the nickname 'cat itch mite'
    Notoedres cati
  56. What are 5 things that cause itching in the ear
    • 'chiggers' Trombiculid larvae
    • Malassezia yeast
    • bacteria
    • Obtobius megnini 'spinous ear tick'
    • Otodectes cynotis 'ear mites'
  57. Both the families Saroptidae and Psoroptidae are considered the what family's
    Scabies families
  58. What family does 'chiggers' belong under
  59. What is an infection of chiggers called
  60. What is the actual cause of trombiculiasis and is actually known as a 'chigger'
    Trombiculid larvae
Card Set:
Parasitology - External mites
2015-06-26 18:22:12
par mite
Parasitology external
para external
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