Cuterebra spp

Question 1

Insects

Answer 1

Cuterebra spp
Culcidae
Lice
Fleas
Reduviidae and Cimicidae

Question 2

What is Cuterebra spp.

Answer 2

Bot Fly

Question 3

What is the Family of the Genus Cuterebra (yes, you ABSOLUTELY have to know this)

Answer 3

Oestridae

Question 4

What are Characteristics of the Family Oestridae?

Answer 4

Adults
 large, hairy flies
 nonfunctional mouthparts
 short-lived
Larvae
 obligatory parasites
 host specific

Question 5

What is the common name for Cuterebra spp.?

Answer 5

Rodent or rabbit bot fly, New World skin bot flies

Question 6

What is/are the host(s) of Cuterebra spp?

Answer 6

Final Hosts: Rodents, rabbits, squirrels, chipmunks, mice, dogs, cats

Question 7

True or False: Cuterebra is Zoonotic…

Answer 7

True: Cuterebra larvae have been recovered from subdermal nodules, eyes, nasal passages and oropharyngeal and tracheobronchial spaces in human beings.

Question 8

Cuterebra spp. Identification

Answer 8

Adult bot fly (20-30 mm) with vestigial mouthparts. 3rd stage larva is dark brown and covered with black spines

Question 9

Cuterebra spp. Site of Infection:

Answer 9

Subcutaneous connective tissue, can locate in nasal and oral regions and migrate to brain

Question 10

Cuterebra spp. Pathogenesis and lesions:

Answer 10

Fibrotic cyst forms from larva in subcutaneous tissue. Larva in brain of cat can lead to infarction

Question 11

Cuterebra spp. Clinical Signs:

Answer 11

Lump in neck, fur constantly wet, hole drips fluid

Question 12

Cuterebra spp. Diagnosis:

Answer 12

Larva can be removed whole from breathing hole
Type 1 hypersensitivity type reaction
Wounds heals slowly

Question 13

Cuterebra spp Treatment and Prevention:

Answer 13

Several Remedies may protect, but are not approved