Overview of Arthropod Parasites (21) - End E3

Question 1

What does transtadial mean?

Answer 1

parasites and other microorganisms are transferred from one developmental stage to the other

tick-stage becomes infected feeding as a larva/nymph on the host and passes infection subsequently to the next stage for transmission to other hosts

Question 2

What does transovarial mean?

Answer 2

vertical transmission

parasites and other microorganisms are transferred to the adult who incorporates the infection in her eggs

arthropod larvae hatching from eggs already infected with the microorganism

Question 3

Arthropods are capable of causing disease in livestock, companion animals, and humans how?

Answer 3

annoyance
blood loss
dermatitis
allergic response
myosis (larval migration)
envenomation

Question 4

How are arthropods important in disease transmission?

Answer 4

serve as intermediate/paratenic hosts

important vectors of infectious disease in all host populations - viruses, rickettsia, and bacteria