What class, order does Cochliomyia hominivorax belong to?
Class Insecta, Order Diptera
What family does Cochliomyia hominivorax belong to?
What is the common name for Family Calliphoridae
Blowfly strike refers to?
Animals being seriously affected by blowfly larvae.
Myiasis refers to?
An infestation of living animals with larvae of dipteran flies
Cochliomyia hominivorax belongs to what Family?
What is the common name of Cochliomyia hominivorax?
Screw-worm, New World Screw-Worm
Who are the host of Cochliomyia hominivorax?
Is Cochliomyia hominivorax zoonotic?
Where is Cochliomyia hominivorax infections a problem in the US?
What do the adults of Cochliomyia hominivorax look like?
10 mm long bluish, green flies. Longitudinal stripes and orange/brown eyes
Where do Cochliomyia hominivorax deposit eggs on the host?
Fresh, uninfected wounds on host
What is the site of infection of Cochliomyia hominivorax eggs?
Eggs laid on body opening or edges of fresh, uninfected wounds
What is the pathogenesis associated with Cochliomyia hominivorax?
Can cause serious disease that can rapidly lead to death of the host. Larvae penetrate tissues and create a foul smelling lesion.
How can we diagnose Cochliomyia hominivorax?
Clinical signs, and maggots in lesions
What are the general characteristics of Family Oestridae?
Large, hairy flies whose larvae are obligatory parasites of animals. Adults have non-functional mouth parts
What is the common name for the adult Hypoderma bovis?
What is the common name for the larave Hypoderma bovis?
What is the common name for the adult Hypoderma lineatum?
Warble Fly or Heel Fly. Ox warble
What is the common name for the larvae Hypoderma lineatum?
Who are the host of Hypoderma lineatum?
Is Hypoderma lineatum zoonotic?
What do the adults of Hypoderma lineatum look like?
Adults resemble bee, but have only 1 pair of wings being Diptera...No functional mouthparts
What do the third instars of Hypoderma lineatum look like?
2.5-3.0 cm long. White in color. Short spines
Eggs of H. bovis are laid __________
Eggs of H. lineatum are laid ________
in rows of 6 or more
H. lineatum is active at the beginning of the ______________ part of the year
summer for 2 months
H. Bovis takes over 2 months into ___________ and continues for the rest of the summer.
Where is the site of infection of 1st instars H. bovis instars?
Where is the site 1st instars of infection of H. lineatum?
Submucosa of the esophagus
Where is the site of infection of the 3rd instars?
Found in lumps or "warbles" on backs of cattle in the spring
What is the pathogenesis associated with H. lineatum?
Greenish gelatinous tissue called "Butchers Jelly" Larva death in the esophagus can cause bloat through esophageal stricture and faulty regurgitation
What is the pathogenesis of H. bovis?
If larvae die in the spinal chord and release toxins it can cause parapelgia.
What are the clinical signs of both H. lineatum and H. bovis?
Buzzing noises of adults cause animals to panic, sometimes injuring themselves.
What is the clinical signs associated with H. bovis?
What is the clinical sign associated with H. lineatum?