Arthropods Flashcards
Describe the types of pathogenicity arthropods can inflict.
- kills host
- production loss
- irritation
- vectors
- free living (no host)
What subclass of crustacea are both free-living and ectoparasites of fish?
Copepoda
To which Class and subclass of parasite do Linguatula serrata and Armillifer armillatus belong?
Class: Crustacea Subclass: Pentastomida
Name two parasites which belong to the Crustacean subclass Isopoda.
- Conodophilus imbricatus 2. Ourzuektes owenii
Where in the host would you find Condophilus imbricatus?
In the mouths of marine fish
Where would you find a parasitic Ourzuektus owenii?
In the body cavity of fish
Where do you find the parasite commonly known as tongue worm?
In the nasal cavity, typically of dogs
What does the Copepod Cyclops parasitise?
Nothing, it is free-living. It is an important intermittent host for nematodes.
Which Crustacea are potentially zoonotic?
Linguatula serrata and Armillifer armillatus can infect humans.
A dog comes into your clinic with nasal discharge and irritation. You run a faecal float and find the eggs below. What is your most likely diagnosis and how would you treat it?
That is an egg of Linguatula serrata.
Treat with ivermectin (Macrocytic lactone)
Name the parasite, including class and subclass.
Linguatula serratus
Name the parasite, including class and subclass.
Argulus foliaceus
Class: Crustacea
Subclass: Copepoda
Name the parasite, including class and subclass.
Lernea sp.
Class: Crustacea
Subclass: Copepoda
Which of these is zoonotic?
