Small Animal Ectoparasites Flashcards
What are the types of ectoparasites?
- Flea
- Tick
- Mite
- Lice
What is the name of fleas in the cat and dog?
Ctenocephalides canis or felis
What is the name of fleas in the rat?
Xenopsylla cheopis
What is the rat flea known for?
Plaque or Yersinia pestis
What do fleas cause primarily in puppies and kittens?
anemia
How many eggs does a female flea produce in 1 day?
50
What do fleas require to reproduce?
a blood meal
Where are fleas most common?
humid and warm areas
What are the 4 most common ticks?
- Ixodes
- Dermacentor
- Rhipicephalus
- Otobius
What is the common name for Ixodes?
Deer tick
What is the common name for Dermacentor?
American dog tick
What is the common name for Rhipicelphalus?
Brown dog tick
What does the deer tick transmit?
Borrelia burgdoferi or lyme disease
What does the american dog tick transmit?
Rickettsia rickettsi or Rocky mountain spotted fever
What does the brown dog tick transmit?
Ehrlichia
What do ticks feed on?
blood
How many legs do ticks have?
8
What is the mouth part of a tick called?
capitulum
What is the common name of Otobius?
ear tick
Why is it important to get the mouth parts of a tick out of the body?
Can cause infection
What do ticks transmits in rabbits?
Tularemia
What species is the ear tick most common in?
livestock but can infest dogs and other mammals
How many legs do mites have?
8
What are the 4 types of mites?
- Demodex
- Scabies
- Cheyletellia
- Otodectes
Where is demodex located?
Hair follicle
How do you identify demodex?
Deep skin scrape
What does demodex look like?
cigar shaped mite
How is demodex treated/
Oral ivermectin or lyme sulfur dip
When is demodex most commonly seen?
Young or immunocompromised animals
Is demodex contagious?
no
Describe scabies
very pruritic
Is scabies zoonotic?
Yes but very limited and is transient
How do you find scabies?
superficial dweller that is difficult to find, may need multiple scrapes
How do you treat scabies?
selamectin, lime sulfur dips, milbemycin, ivermectin
What is the common canine scabies mite?
Sarcoptes scabei
What is the common feline scabies mite?
Notoedres cati
Describe cheyletellia?
Very pruritic known as walking dandruff
What is otodectes?
ear mite of cats and dogs
Describe ear mites
pruritic
How do you observe otodectes?
mineral oil on an ear swab
How do you treat otodectes?
topical ivermectin
What does the debris in the ear look like with otodectes?
dark coffee grounds
What is a lice infestation known as?
Pediculosis
Describe lice
pruritic and species specific
How are lice transmitted?
Direct contact
When are lice found?
uncommon but usually in crowded dirty conditions
What is the feline louse called?
Felicola subrostratus
What is the canine sucking louse called?
Linognathus setosus
What is the canine chewing louse called?
Trichodectes canis
How many legs and wings do fleas have?
6 legs and no wings
How do you treat fleas?
fipronil or selamectin