Difference between revisions of "Nuisance Flies"

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==Introduction==
 
[[Image:Muscidae Close Up.jpg|right|thumb|150px|Muscidae sp. - Copyright Alan Hadley]]
 
[[Image:Musca domestica.jpg|thumb|right|150px|Musca domestica - Joaquim Alves Gaspar, Lisboa, Portugal (Wikimedia Commons)]]
 
The family ''Muscidae'' contains many non-biting (nuisance) flies and [[Biting Flies|blood sucking (biting) flies]]. There are only two nuisance flies of veterinary importance, these are the ''Musca'' spp. and ''Hydrotaea''.
 
 
 
Nuisance flies are not only irritating to animals, but can also carry serious diseases and so should be controlled from an animal welfare point of view.
 
 
 
<big>[[Musca spp.|''Musca spp.'']]
 
 
 
 
 
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==''Hydrotaea irritans''==
 
[[Image:Hydrotaea irritans.jpg|thumb|right|150px|H.irritans female - Copyright Alan Hadley]]
 
[[Image:Hydrotaea irritans male.jpg|thumb|right|150px|H.irritans male - Copyright Alan Hadley]]
 
*Also known as the 'head fly'
 
 
 
*''Hydrotaea irritans'' the main species of veterinary importance
 
 
 
*Mainly a problem of sheep
 
**In some areas it is the most numerous fly of cattle and horses
 
 
 
 
 
'''Recognition'''
 
*Similar to ''Musca spp.''
 
 
 
*Olive green abdomen
 
 
 
*4-7mm in length
 
 
 
 
 
'''Life Cycle'''
 
*Eggs laid in decaying vegetation, faeces and in carrion (in the summer months)
 
 
 
*Emerging larvae overwinter ([[WikiWords#D|'''diapause''']]) and pupate in spring
 
 
 
*Adult flies emerge in the summer
 
 
 
*'''One generation per year'''
 
 
 
 
 
'''Pathogenesis'''
 
*Cattle
 
**Evidence suggests that they transmit summer mastitis
 
 
 
*Sheep
 
**Cause extreme irritation
 
***Mouthparts rasp the skin to feed on secretions and exudate
 
**Leads to self-inflicted damage
 
***E.g. 'Broken Head'
 
**Secondary bacterial infection may occur
 
**[[Myiasis Producing Flies#Calliphoridae|Blowfly strike]] may follow
 
 
 
==[[Insecta Flashcards - WikiBugs#Nuisance Flies|Nuisance Flies Flashcards]]==
 

Latest revision as of 13:17, 5 April 2010