Siphonaptera Flashcards
Larvae feed on…
detritus (poo)
On host oral treatment
nitenpyram spinosad
On host growth regulators
Topical - lufenuron Flea Collar - methoprene oral - cyromazine
What flea is this?
Ctenocephalides canis
whale
two short hairs on hild leg in a row
shorter first genal ctenidium
What is this flea?
Host range?
Pulex irritans
Humans, pigs and dogs
no combs (limited hair like human and pig)
Fleas become more abundant in…
summer
Name of moustache comb
genal ctenidium
True or False. Fleas have a pupae stage
true
What is this flea?
Commonly found on?
Echidnophaga gallinacea
Poultry (has face smashed in unlike the beak of a bird) but not host specific
What is this flea?
What is its significance?
Spilopsyllus cuniculi
Vector of myxomatosis
Host specific to rabbits but can be found on cat.
Has verticle genal ctenidium.
detects when the host is breeding by detecting hormone levels in the blood. Only breeds when the host breeds so that larvae can infect new young.
What stimulates egg laying?
blood meal
On host topical treatment
fipronil selamectin synthetic pyrethroids (flumethrin can be used for cats)
Pupae emerge when..
There are vibrations (eg come home after a holiday)
pathogenesis of milliary eczema in cats
salivary antigen -> type 1 hypersensitivity -> incessant scratching -> hair loss at base of tail and thighs
What flea is this?
Ctenocephalides felis
longer first genal ctenidium
shark
only 1 short hair
