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{{Taxobox
|name =''Gasterophilus spp.
|kingdom = Animalia
|phylum = [[:Category:Arthropods|Arthropoda]]
|class =[[:Category:Insecta|Insecta]]
|sub-class = Diptera
|order =
|super-family =
|family =[[Oestridae]]
|sub-family =
|genus = Gasterophilus
|species =
}}
[[Image:Horse Bot Fly.jpg|thumb|right|150px|''Horse Bot Fly'' <br> Dennis Ray 2005, Wikimedia Commons]]
Also known as: '''''Bot Fly — Bots'''
==Introduction==
==Introduction==
The species ''Gasterophilus'', is more commonly referred to as the 'Bot fly.' It is an obligate parasite found on horses, donkeys, mules, zebras and elephants.
The species ''Gasterophilus'' is of the family [[Oestridae]], and is more commonly referred to as the 'Bot fly.' It is an obligate parasite found on horses, donkeys, mules, zebras and elephants.
Infection is particularly common in horses, with around 30-60% infected during the winter months.
Infection is particularly common in horses, with around 30-60% infected during the winter months.
''G. nigricornis'' and ''G. inermis'' are also of veterinary significance, but not currently within the UK.
''G. nigricornis'' and ''G. inermis'' are also of veterinary significance, but not currently within the UK.
[[Image:Gasterophilus larvae.jpg|150px|thumb|right|''Gasterophilus larvae'' <br> Lamiot 2007, Wikimedia Commons]]
[[Image:Gasterophilus larvae.jpg|150px|thumb|right|''Gasterophilus larvae'' <br> Lamiot 2007, Wikimedia Commons]]
Eggs are laid on the body of the host and either hatch spontaneously or are stimulated to hatch through an increase in warmth and moisture from the animal self-grooming. They are laid in different areas according to species;
Eggs are laid on the body of the host and either hatch spontaneously or are stimulated to hatch through an increase in warmth and moisture from the animal self-grooming. They are laid in different areas according to species;
''G. intestinalis'' eggs are laid in the hair of the shoulders and fore legs. ''G. nasalis'' eggs are laid in the intermandibular area. ''G. haemorrhoidalis'' eggs are laid around the lips
''G. intestinalis'' eggs are laid in the hair of the shoulders and forelegs. ''G. nasalis'' eggs are laid in the intermandibular area. ''G. haemorrhoidalis'' eggs are laid around the lips
L1 are extremely small and motile, and begin development in the mouth, tongue and gums of the host. The development of L1 into L2 occurs on the pharynx. L2 then attaches to the base of the tongue and slowly migrates to the stomach.
L1 are extremely small and motile, and begin development in the mouth, tongue and gums of the host. The development of L1 into L2 occurs on the pharynx. L2 then attaches to the base of the tongue and slowly migrates to the stomach.
They are only found on pasture, as they do not survive well on stable bedding. The pupae are known to be sensitive to frost, moisture and flooding, so the environmental conditions present play a significant role in the success of the parasite.
They are only found on pasture, as they do not survive well on stable bedding. The pupae are known to be sensitive to frost, moisture and flooding, so the environmental conditions present play a significant role in the success of the parasite.
{{Learning
|flashcards = [[Myiasis_Producing_Flies_Flashcards|Myiasis Producing Flies Flashcards]]
|literature search =[http://www.cabdirect.org/search.html?q=title%3A%28%22Gasterophilus%22%29+ ''Gasterophilus'' spp. publications]
|Vetstream = [https://www.vetstream.com/canis/Content/Disease/dis60301.asp Myiasis]
}}
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[[Category:Oestridae]]
[[Category:Oestridae]]
[[Category:Expert_Review]]
[[Category:Expert_Review]]
[[Category:Horse]]
[[Category:Horse Parasites]]