Cattle Arthropoda Day 2
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36 terms
Terms | Definitions |
|---|---|
 What class, order does Cochliomyia hominivorax belong to? | Class Insecta, Order Diptera |
| What family does Cochliomyia hominivorax belong to? | Family Calliphoridae |
| What is the common name for Family Calliphoridae | Blow flies |
| 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? | Family Calliphoridae |
| What is the common name of Cochliomyia hominivorax? | Screw-worm, New World Screw-Worm |
| Who are the host of Cochliomyia hominivorax? | Livestock |
| Is Cochliomyia hominivorax zoonotic? | Yes |
| Where is Cochliomyia hominivorax infections a problem in the US? | Southern U.S |
| 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? | Warble Fly |
| What is the common name for the larave Hypoderma bovis? | Cattle Grub |
| 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? | Cattle Grub |
| Who are the host of Hypoderma lineatum? | Cattle. Zoonotic |
| Is Hypoderma lineatum zoonotic? | YES |
| 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 __________ | singly |
| 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. | summer |
| Where is the site of infection of 1st instars H. bovis instars? | Spinal Chord |
| 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? | Paraplegia |
| What is the clinical sign associated with H. lineatum? | faulty regurgitation |
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