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Myiasis Producing Flies (view source)
Revision as of 18:16, 13 January 2009
, 18:16, 13 January 2009→Calliphoridae
**''Musca''
**''Musca''
**''Sarcophaga spp.''
**''Sarcophaga spp.''
Predisposing factors to flystrike
Predisposing factors to flystrike
**A narrow opening of the penile sheath in rams and wethers may result in accumulation of urine and increase blowfly strike in this area
**A narrow opening of the penile sheath in rams and wethers may result in accumulation of urine and increase blowfly strike in this area
**Cuts during shearing, fighting and barbed wire will also increase the incidence of blowfly strike
**Cuts during shearing, fighting and barbed wire will also increase the incidence of blowfly strike
Blowfly season
Blowfly season
*Larvae are '''obligate''' parasites
*Larvae are '''obligate''' parasites
'''Recognition'''
'''Recognition'''
*Similar to ''Calliphora''
*Similar to ''Calliphora spp.''
**Iridescent
**Iridescent
**Clear wings
**Clear wings
**Look like screws
**Look like screws
'''Life Cycle'''
'''Life cycle'''
*Eggs laid in wounds or body cavities
*Eggs laid in wounds or body cavities
*Larvae drop to the ground to pupate
*Larvae drop to the ground to pupate
'''Pathogenesis'''
'''Pathogenesis'''
*Cause irritation and pyrexia
*Cause irritation and pyrexia
'''Control'''
'''Control'''
**Sterile males released
**Sterile males released
**Eradication occurred in 1991
**Eradication occurred in 1991
====Maggot Debridement Therapy====
====Maggot Debridement Therapy====
**Sterile ''Lucilia sericata'' maggots used to treat infected and necrotic wounds
**Sterile ''Lucilia sericata'' maggots used to treat infected and necrotic wounds
**Larvae secrete proteolytic enzymes and antimicrobial agents into the wound
**Larvae secrete proteolytic enzymes and antimicrobial agents into the wound
**Larvae do not burrow under the skin or attack healthy tissue
*Veterinary medicine
*Veterinary medicine
**Published reports rare
**Published reports rare
**Recently used successfully to treat a suppurative wound in a donkey that did not respond to conventional methods and surgery
**Recently used successfully to treat a suppurative wound in a donkey that did not respond to conventional medical methods and surgery
===''Wohlfahrtia'' sp.===
===''Wohlfahrtia spp.''===
*'''Obligatory''' parasite
*'''Obligatory''' parasite
*Parasite of mink and sometimes humans
*Parasite of mink and sometimes humans
'''Recognition'''
'''Recognition'''
*Black spots on abdomen
*Black spots on abdomen
'''Life Cycle'''
'''Life cycle'''
*Larvae deposited directly onto host
*Larvae deposited directly onto host
*No egg stage
*Larvae moult twice on host then fall to ground to pupate
*Larvae moult twice on host then fall to ground to pupate
'''Pathogenesis'''
'''Pathogenesis'''