Ectoparasites

Question 1

Arachnid

Answer 1

Adult has 4 pairs of legs and the body is divided into two parts; cephalothorax and abdomen (mites, ticks etc)

Question 2

Microscopic

Answer 2

Cannot be seen with the naked eye (demodex)

Question 3

Macroscopic

Answer 3

Can be seen with the naked eye (tick)

Question 4

Intermediate host

Answer 4

Organism undergoes part of its lifecycle (flea is intermediate host of tape worm)

Question 5

Transport host

Answer 5

Can shed or get rid of organism at any time (flea carrying FIV virus)

Question 6

Paratenic host

Answer 6

Cannot shed organism (organism needs to be eaten by final host before it can progress further)

Question 7

Final definitive host

Answer 7

The animal in which the final adult reproductive stage occurs

Question 8

Insect

Answer 8

Adult has 3 pairs of legs and be body is divided into head, thorax and abdomen (lice, fleas etc)

Question 9

Mechanical vector

Answer 9

Carries organism but isn’t affected by it

Question 10

Disease vector

Answer 10

Transmits microorganisms from animal to animal or humans (if zoonotic)

Question 11

Mechanical vector

Answer 11

Carries organism but isn’t affected by it

Question 12

Disease vector

Answer 12

Transmits microorganisms from animal to animal or humans (if zoonotic)

Question 13

What is the correct term for a louse infestation?

Answer 13

Pediculosis

Question 14

(Neo)Trombicular Autumnalis

Answer 14

Has 8 legs and is known as berry bug, harvest mite and chiggers

Question 15

Psoroptes cuniculi

Answer 15

Rabbit ear mite

Question 16

Hemimetabolus

Answer 16

Looks the same in immature stage and adulthood (just gets larger)

Question 17

Chorioptes Equi

Answer 17

Horse mange mite

Question 18

Cheyletiella

Answer 18

Walking dandruff (surface mite)