Difference between revisions of "Myiasis Producing Flies"

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'''[[Chrysomya bezziana|''Chrysomya bezziana'']]
 
'''[[Chrysomya bezziana|''Chrysomya bezziana'']]
 +
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'''[[Maggot Debridement Therapy]]
 +
  
 
</big>
 
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====Maggot Debridement Therapy====
 
[[Image:Maggot Therapy.jpg|thumb|right|150px|Maggot therapy on a wound - Wikimedia Commons]]
 
*Human medicine
 
**Sterile ''Lucilia sericata'' maggots used to treat infected and necrotic wounds
 
**Larvae secrete proteolytic enzymes and antimicrobial agents into the wound
 
**Larvae do not burrow under the skin or attack healthy tissue
 
  
*Veterinary medicine
 
**Published reports rare
 
**Recently used successfully to treat a suppurative wound in a donkey that did not respond to conventional medical methods and surgery
 
  
  

Revision as of 20:04, 30 March 2010


Introduction

Myiasis is the parasitism of living animals by dipteran larvae. Myiasis can be obligatory or facultative (optional) and is described as cutaneous, nasal or somatic.

Oestridae

Dermatobia hominis

Calliphoridae

Chrysomya bezziana

Maggot Debridement Therapy








Wohlfahrtia spp.

  • Obligatory parasite
  • Occurs in North America
  • Parasite of mink and sometimes humans


Recognition

  • Large 8-14mm long
  • Pale grey
  • Black stripes on thorax
  • Black spots on abdomen


Life cycle

  • Larvae deposited directly onto host
  • No egg stage
  • Larvae moult twice on host then fall to ground to pupate


Pathogenesis

  • Larvae penetrate intact skin
    • Cause boil like swellings

Myiasis Producing Flies Flashcards

Links