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| | 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. | | 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. |
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| − | <big>[[Musca spp.|''Musca spp.'']] | + | <big>'''[[Musca spp.|''Musca spp.'']] |
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| | + | '''[[Hydrotaea irritans|''Hydrotaea irritans'']] |
| | </big> | | </big> |
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| − | ==''Hydrotaea irritans''==
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| − | [[Image:Hydrotaea irritans.jpg|thumb|right|150px|H.irritans female - Copyright Alan Hadley]]
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| − | [[Image:Hydrotaea irritans male.jpg|thumb|right|150px|H.irritans male - Copyright Alan Hadley]]
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| − | *Also known as the 'head fly'
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| − | *''Hydrotaea irritans'' the main species of veterinary importance
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| − | *Mainly a problem of sheep
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| − | **In some areas it is the most numerous fly of cattle and horses
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| − | '''Recognition'''
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| − | *Similar to ''Musca spp.''
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| − | *Olive green abdomen
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| − | *4-7mm in length
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| − | '''Life Cycle'''
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| − | *Eggs laid in decaying vegetation, faeces and in carrion (in the summer months)
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| − | *Emerging larvae overwinter ([[WikiWords#D|'''diapause''']]) and pupate in spring
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| − | *Adult flies emerge in the summer
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| − | *'''One generation per year'''
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| − | '''Pathogenesis'''
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| − | *Cattle
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| − | **Evidence suggests that they transmit summer mastitis
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| − | *Sheep
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| − | **Cause extreme irritation
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| − | ***Mouthparts rasp the skin to feed on secretions and exudate
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| − | **Leads to self-inflicted damage
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| − | ***E.g. 'Broken Head'
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| − | **Secondary bacterial infection may occur
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| − | **[[Myiasis Producing Flies#Calliphoridae|Blowfly strike]] may follow
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| | ==[[Insecta Flashcards - WikiBugs#Nuisance Flies|Nuisance Flies Flashcards]]== | | ==[[Insecta Flashcards - WikiBugs#Nuisance Flies|Nuisance Flies Flashcards]]== |
| | + | [[Category:Parasites]] |