Parasitology: mites and ticks

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  1. What is the morphology of order Acarina
    Fused head thorax and abdomen
  2. The parasites of order Acarina are classified according to the location of their
    Breathing pore
  3. What are the characteristics of the larval stages in order Acarina
    • Three pairs of legs
    • Nymphs and adults have four pair of legs
    • Had breakfast and abdomen are fused
    • Antenna and Amanda rules are not present¬†
    • Mouthparts are covered by false head (capitulum)
  4. What are the two families of text under the suborder Metastigmata
    • Ixodidae - hard ticks
    • Argasidae - soft ticks
  5. What is the life cycle of a one host, two host, and three host tick
    • 1 host: Tech will complete all moLtd from seed tick to nymph to adult without leaving the host
    • 2 host: the seed tick will molt to nymph, nymph falls off to molt to the adult, adult finds a 2nd host
    • 3 host: egg hatches to larva, seed tick falls off the 1st host and molts to the nymph, nymph will find a 2nd host, nymph drops off to the adult and the adult will find a 3rd host and reproduce
  6. Give an example of a one host, a two host, and a three host tick
    • 1 host: Boophilus annulatus¬†
    • 2 and 3 host: D. variables R. sanguineous
  7. What is the historical significance involving Smith and Kilbourn
    They proved intermediate host transmission
  8. Ticks are more of a _____ vector then a ______ because changes occur outside of the host
    • Mechanical
    • Biological
  9. What is the transmission with Boophilus annulatus
    Transovarian transmission
  10. Characteristics of an Ixodid tick
    • Shield or scutum covers an entire dorsal surface
    • Capitulum projects anteriorly
  11. What are some diseases that can be transmitted by Rhipicephalus sanguineous
    Canine babesiosis
Card Set:
Parasitology: mites and ticks
2015-07-10 17:47:24
Parasitology Vtht Vet Tech Lonestar

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