Exam II - Cuterebra spp. Flashcards
What is the common name for Cuterebra spp.?
rodent bot fly; rabbit bot fly
What is/are the principal host(s) for Cuterebra spp?
Rabbits and rodents
What is/are some additional host(s) (aside from the principal hosts) for Cuterebra spp?
dogs, cats, squirrels, & chipmunks
Is Cuterebra spp zoonotic?
Yes.
Describe the appearance of Cuterebra spp. adult
Large, stout bodied and bee-like, and do not feed (mouthparts are vestigial)
Cuterebra spp. are identified by which larval stage?
3rd larval stage
What is/are the site(s) of infection for Cuterebra spp?
subcutaneous connective tissue of cats and dogs
(larvae can also locate in nasal and oral regions & migrate to brain… this is rare, but deadly)
Describe any pathogenesis or lesions associated with Cuterebra spp
Fibrotic cyst forms form larva in SQ tissue. Larva in the brain of the cat can lead to infarction
Describe some clinical signs associated with Cuterebra spp
lump in neck, fur constantly wet, hole drips fluid
How would you diagnose Cuterebra spp?
Colar and spines of 3rd stage larva, along with seasonality. Individual species can usually be identified by location on the host
Describe the various approved treatments for Cuterebra spp.
None, sucka!! There is no approved treatment for Cuterebra spp.
However, MCL heartworm prevention, imidacloprid, and fipronil may protect
How do Cuterebra spp. larvae enter the host?
through skin or natural body openings (nose or mouth)
Describe the life cycle of Cuterebra spp
Adult flies lay eggs, larvae crawl onto animal and enter through facial orifices. After migration, the larva forms a visible nodule with an external breathing hole. After development, the larva leaves the host through the breathing hole and pupates on the ground.
