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| − | *Also known as louse flies
| + | #REDIRECT[[:Category:Hippoboscidae]] |
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| − | *The two genera of veterinary importance are ''Hippobosca'' and ''Melophagus''
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| − | ===''Hippobosca'' spp.===
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| − | *Also known as forest flies
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| − | *Only parasitises horses and cattle
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| − | *Only found in the Old World
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| − | *Large numbers found around the perineum and inner thighs
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| − | '''Recognition'''
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| − | *1cm long
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| − | *Reddish brown
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| − | *Yellow spots on thorax and abdomen
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| − | *Clear wings
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| − | *Reduced wings with veins crowded towards anterior margins
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| − | **Not a strong flier
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| − | *Forward pointing proboscis which can be retracted into head when not feeding
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| − | **Both males and females suck blood
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| − | '''Life cycle'''
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| − | *Adults are on the wing between May and October
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| − | *Adults mate on the host
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| − | *Single larvae laid in soil or damp humus
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| − | *Adult flies emerge the following spring
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| − | '''Pathogenesis'''
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| − | *Irritation and annoyance from bites
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| − | *Mechanical vectors of non-pathogenic ''Trypanosoma theileri'' in cattle
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| − | '''Control'''
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| − | *Topical [[Ectoparasiticides|insecticide]] application
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| − | **Repellents with residual action
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| − | ===''Melophagus'' spp.===
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| − | *Also known as sheep ked
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| − | *Found worldwide
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| − | *Bites sheep and goats
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| − | **A separate species is found on deer
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| − | '''Recognition'''
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| − | *4-6mm long
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| − | *Hairy
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| − | *Forward pointing proboscis
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| − | *Short head
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| − | *Reddish brown colouring
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| − | *Dorso-ventrally flattened
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| − | *'Tick-like' in appearance
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| − | *'''Wingless'''
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| − | *Strong legs and claws
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| − | '''Life cycle'''
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| − | *Whole life cycle spent '''on''' the host
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| − | **Adults may survive for 1 week off the host
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| − | *Single larvae laid on fleece which pupate
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| − | *Adult keds emerge a '''few weeks to a few months''' after pupating depending on environmental temperature
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| − | '''Pathogenesis'''
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| − | *Most numerous in '''autumn and winter'''
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| − | *Located in the superficial layers of the fleece
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| − | **This aids transmission
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| − | *Long wooled breeds are most susceptible to infection
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| − | *Cause anaemia
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| − | *Wool damage
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| − | **Irritation and self-inflicted damage
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| − | **Staining by ked faeces
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| − | *Intermediate host for non-pathogenic ''Trypanosoma melophagium'' in sheep
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| − | '''Control'''
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| − | *Sheep dipping and spraying
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| − | *Shearing to decrease numbers
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| − | [[Category:Parasites]][[Category:Flies]][[Category:Biting_Flies]]
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